Words ending with the suffix -IST

ist.list

#Credit to http://wordlister.blogspot.com/2011/03/words-ending-in-ist.html
abacist
abiogenist
ableist
abolitionist
abortionist
absolutist also an adjective
abstentionist also an adjective
abstractionist also an adjective
absurdist also an adjective
Academist
academist (Obsolete) same as academician
acanthologist
acarologist
accelerationist
accidentalist also an adjective
accommodationist also an adjective
accompanist or accompanyist
accordionist
acephalist
acolothist same as acolythist (Obsolete) also acolyte
acosmist
acquist
actionist
activist also an adjective
actualist also an adjective
acupuncturist
adeptist (Obsolete)
adiaphorist
Adonist
Adoptionist
Adventist also an adjective
adventurist
aerialist
aerobicist
aerobiologist
aerodynamicist
aerologist
aeronomist also aeronomer
aerophagist
aestheticist
aetiologist (British English) or etiologist (American English)
affectationist
agamist
ageist also an adjective
agonist
agricolist same as agriculturalist
agriculturalist
agriculturist same as agriculturalist
agriologist
agrobiologist
agrologist
agronomist
agrostologist
Aladinist
alarmist also an adjective
alchemist
Alcoranist or Alkoranist
algebraist
algolagnist
algologist
alienist
Alkoranist or Alcoranist
allegorist
allergist
allodialist
allopathist also allopath
Alpinist or alpinist
altarist
altoist
altruist
ambitionist (Rare)
Americanist
amethodist (Obsolete) also quack
amnicolist (Obsolete)
amoralist
amorist
Anabaptist also an adjective
anaesthesiologist (British English) or anesthesiologist (American English)
anaesthetist (British English) or anesthetist (American English)
anagrammatist
analogist
anarchist
anatomist
andrologist
anecdotalist
anecdotist (Rare) same as anecdotalist

anesthesiologist (American English) or anaesthesiologist (British English)

anesthetist (American English) or anaesthetist (British English)
angelologist
angiologist
Anglicist also Anglist
aniconist
animalculist
animalist
animist
annalist (not to be confused with analyst)
annexationist or annexionist (Rare) also an adjective
Annihilationist
annotationist (Rare) also annotator
annualist (Rare)
antagonist
antarchist (Rare)
anthologist
anthropologist
anthropometrist
anthropomorphist
anthroponomist
anthroposophist
anthropotomist
antiabortionist
antiannexationist also an adjective
antiatheist also an adjective
anti-Bolshevist also an adjective
anti-Calvinist also an adjective
anticapitalist also an adjective
anticentralist also an adjective
anticeremonialist also an adjective
anticlassicalist also anticlassicist also adjectives
anticlericalist
anticolonialist also an adjective
anticommercialist also an adjective
anticommunist also an adjective
anticonfederationist also an adjective
anticonformist
anticonservationist
anticonstitutionalist also an adjective
anticonventionalist also an adjective
anticreationist also an adjective
anti-Darwinist also an adjective
antidogmatist also an adjective
antieducationalist
antieducationist also an adjective
antiegoist
antiegotist also an adjective
antielitist also an adjective
antiempiricist also an adjective
antienvironmentalist also an adjective
antievolutionist also an adjective
antiexpansionist also an adjective
antiexpressionist also an adjective
antifascist also an adjective
antifederalist
Antifederalist
antifeminist also an adjective
antifeudalist
antifluoridationist
antiformalist also an adjective
antifundamentalist also an adjective
antihumanist also an adjective
anti-imperialist also an adjective
anti-isolationist also an adjective
anti-Judaist also an adjective
antileftist (this word is an adjective only)
antiliberalist also an adjective
antiliturgist
antiloquist (Obsolete) also contradicter
antimaterialist also an adjective
antimechanist also an adjective

antimedievalist (American English) or antimediaevalist (British English) also adjectives

antimilitarist also an adjective
antimiscegenationist also an adjective
antimodernist also an adjective
antimonarchist also an adjective
antimonopolist also an adjective
antimoralist also an adjective
antinationalist also an adjective
antinaturalist also an adjective
antinihilist also an adjective
antinomist (Rare) also antinomian
antinovelist
antioptimist also an adjective
anti-Orientalist also an adjective
antipacifist also an adjective
antipapalist also an adjective
antipapist also an adjective
antipathist
anti-Platonist also an adjective
antipollutionist
anti-Populist also an adjective
antipragmatist also an adjective
antiprelatist also an adjective
antiprogressionist also an adjective
antiprohibitionist also an adjective
antiprotectionist also an adjective
antipsalmist also an adjective
antiquist (Rare) also antiquary, antique collector
anti-racist also an adjective
antirationalist also an adjective
antirealist also an adjective
antireductionist also an adjective
antireformist also an adjective
antireligionist also an adjective
antirevisionist also an adjective
antirevolutionist
antiritualist also an adjective
anti-Romanist
antiromanticist also an adjective
antiroyalist also an adjective
antiseparatist
antisexist also an adjective
antisocialist also an adjective
antisophist also an adjective
antispiritualist also an adjective
antistructuralist also an adjective
antisuffragist also an adjective
antisupernaturalist also an adjective
antisyndicalist also an adjective
antitechnologist
antiterrorist (this word is an adjective only)
antitheist
antitraditionalist also an adjective
antivaccinationist or antivaccinist
antivivisectionist also an adjective
aorist also an adjective
apathist
aphasiologist
aphorist
apiarist
apiculturist
apiologist
apocalyptist
Apocryphalist (Rare)
apologist
apophthegmatist
apothegmatist
appanagist
apriorist
aquaculturist
aquafortist
aquarellist
aquarist
aquatintist also aquatinter
aquiculturist
Arabist
arachnologist
arboriculturist
arborist
arcanist
archaeologist (British English) or archeologist (American English)
archaeometrist (British English) or archeometrist (American English)

archaeozoologist (British English) or archeozoologist (American English)

archaist
archivist
arctophilist also arctophile
armorist
aromatherapist
arsonist
arthropodologist
artillerist also artilleryman
artist
assemblagist
Assientist
assimilationist also an adjective
associationist also an adjective
Assyriologist
astacologist
astrobiologist
astrochemist
astrodynamicist
astrogeologist
astrologist also astrologer
astrometeorologist
astrophysicist
astrotourist
atavist
atheist
atmologist
atomist
atonalist
atticist
audiologist
audiometrist
audiotypist
augurist (Rare) also augur
aurist also otologist
autarchist or autarkist
auteurist
autist
autobiographist (Rare) also autobiographer
automatist also an adjective
automobilist
autonomist also an adjective
autopsist
autotheist (Rare)
avantgardist
avantist shortened variant of avantgardist
Averroist or Averrhoist
aviarist
aviculturist
axiologist
Baalist also Baalite
Babist Baalist also Baalite
Babist also an adjective
bacteriologist
bacterioscopist
balladist also balladeer
balloonist
balneologist
bandoneonist
banjoist
Baptist also an adjective
Barrowist
bassist
bassoonist
batologist
battologist

behaviorist (American English) or behaviourist (British English) also an adjective

belletrist
Biblicist also Biblist
bibliolatrist also bibliolater
bibliologist
bibliopegist
bibliophagist
bibliophilist also bibliophile
bibliopolist also bibliopole
bibliotherapist
bibliotist
bicameralist
bicyclist also bicycler
bidialectalist
bigamist
bilinguist
bimetallist
biochemist
bioecologist
bioethicist
biogenist
biologist
biometeorologist
bionomist
biophysicist
bioregionalist
biorhythmicist same as biorhythmist 
bioscientist
biosystematist
biotechnologist
blurbist
Bollandist
Bolshevist also an adjective
Bonapartist
bongoist
bonist also an adjective
Boodhist same as Buddhist
botanist
Bourbonist also phytologist (Rare)
Brahmanist or Brahminist
Braillist or braillist
bromatologist
bronchoscopist
bronzist
Brownist
brutalist also an adjective
bryologist
Buddhist also an adjective
bullionist
bullist (Rare)
Bundist
bureaucratist
burinist
cabalist or cabbalist or kabalist or kabbalist or qabalist
cacoepist
calamist (Obsolete)
calendarist
calligraphist also calligrapher
calorist (Obsolete)
calotypist
Calvinist also an adjective
cambist
cameralist
campanist also campanologist, campanologer, carillonneur
canoeist
canonist
canophilist same as cynophilist
capitalist
capitulationist
caravanist
Carbonarist also an adjective
carcinologist
cardiologist
careerist
caricaturist
carillonist also carillonneur
Carlist
carnalist
carpologist
cartelist also an adjective
Cartist
cartoonist
cartophilist
carvist
Castroist also Castroite also an adjective
casualist
casuist
catabaptist
cataclysmist
catalogist or cataloguist also cataloger or cataloguer
catastrophist
catechist
catechumenist also catechumen
categorist
Catharist also Cathar
causationist
causist
celibatist (Rare)
cellarist also cellarer
cellist
Celticist or Kelticist also Celtist
cembalist also clavicembalist, harpsichordist
centoist also centonist
centralist also an adjective
centrist also an adjective
Centrist also an adjective
ceramicist also ceramist
cerebralist
ceremonialist
cerographist
cetologist
chalcographist also chalcographer
chaologist
characterologist
charterist also chartist
chauvinist
cheiromantist (Rare) same as chiromancer
Chekist
chemist
chemotaxonomist
chemotherapist
chiaroscurist
chirographist also chirographer
chirologist
chiromanist or chiromantist also chiromancer
chiropodist also podiatrist
chiropterologist
chirosophist also fortune teller
chloroformist
choralist
choreologist
chorist (Rare) also chorister
chorizontist also chorizont
chorologist
chrematist
Christologist
chromatist same as chromatologist
chromatologist also chromatist
chronobiologist
chronogrammatist
chronologist also chronologer
chutist also parachutist
chymist (Archaic) also chemist
ciderist (Obsolete)
cinematographist also cinematographer
cinquecentist
circumlocutionist
citharist
citriculturist
civilist (Rare) also civilian
cladist

clamorist (American English) or clamourist (British English) also clamorer (Am Eng) or clamourer (Br Eng)

clarinetist or clarinettist
classicalist also classicist
classicist also classicalist
classist (this word is an adjective only)
clavecinist
clavicembalist also cembalist, harpsichordist
clavichordist
clavierist
clericalist
climatologist
clubbist (Rare)
coalitionist
cocainist also cocaine addict
codist (Rare) also codifier
coercionist
cognitivist
coiffurist
Coleopterist
collaborationist
collagist
collectivist also an adjective
colloquialist
colloquist
collybist (Obsolete)
colonialist also an adjective
colonist
colonizationist
colloquist
colorimetrist (American English) or colourimetrist (British English)
colorist (American English) or colourist (British English)
colposcopist
columnist
comedist
cometologist (not to be confused with cosmetologist)
Cominformist
commercialist
communalist
communist also an adjective
Communist also an adjective
comparatist also comparativist
comparativist also comparatist
completist
compulsionist
computerist
computist
Comtist also an adjective
conceptualist also conceptionalist
concertinist
concessionist
concettist
conchologist also conchyliologist
conchyliologist also conchologist
conclavist
concordist
concretist
confederalist
confederationist
confessionalist
confessionist
conformist also an adjective
confrontationist also an adjective
Confucianist also an adjective
congregationalist also an adjective
congressionalist

congressist (British English - Rare) also conventioneer (American English)

conjecturalist (Rare) also conjecturer
conscriptionist
consequentialist
conservationist
conspiracist also called conspiratorialist
constitutionalist
constitutionist
constructionist
constructivist also an adjective
consubstantialist
consumerist also an adjective
contagionist
contemplatist (Rare) also contemplator
contertionist
continentalist
contortionist
contrabandist
contrabassist
contrabassoonist
contractarianist also an adjective
contrapuntist
contrist (this word is a verb only)
controversialist also controversist (Obsolete)
controvertist also controverter
conventionalist
conventionist
conversationalist or conversationist
convivialist
convocationist
convulsionist or Convulsionist
cooperationist or co-operationist
copist (Obsolete) also copier, copycat
coprophagist
copyist
co-protagonist
coreligionist
cornetist or cornettist
cornist
corporatist
corporealist
corruptionist
cosmetologist
cosmist
cosmochemist
cosmogonist
cosmographist also cosmographer
cosmologist also cosmologer
councilist (Obsolete)
counterculturalist also counterculturist
counterrevolutionist (noun) also counterrevolutionary (noun, adjective)
counterstrategist
counterterrorist also an adjective
craniologist
craniometrist
cranioscopist
crayonist
creationist also an adjective
cremationist
creolist
crewelist also creweler
criminalist
criminologist
cruciverbalist
crustaceologist or crustalogist
cryobiologist
cryogenist
cryptogamist
cryptogrammatist
cryptographist also cryptographer
cryptologist
cryptozoologist
cubist
cueist also billiard player
cultist
culturist
cumulatist (Rare) also accumulator, collector
Curialist
cyberneticist also cybernetician
cyclist
cyclopedist (American English) or cyclopaedist (British English)
cymbalist also cymbaler, cymbaleer
cynophilist also canophilist
cystoscopist
cytogeneticist
cytologist
cytopathologist
cytotaxonomist
cytotechnologist
czarist or tzarist or tsarist also an adjective
dactylist
Dadaist
daemonologist (British English) or demonologist (American English)
daguerreotypist also daguerreotyper
Damianist
Darwinist also an adjective
decadist
Decalogist
Decembrist also Dekabrist
decentralist
decimalist
deconstructionist also an adjective
decretist
defeatist also an adjective
defectionist
deflationist
degenerationist
deipnosophist
deist or Deist
Dekabrist also Decembrist
deltiologist
delusionist
democratist (Rare) also democrat
demolitionist
demonist
demonologist (American English) or daemonologist (British English)
demonomist (Rare)
demonstrationist
demoticist also demotist
dendrochronologist
dendrologist
denominationalist
dentiloquist
dentist
denturist
deontologist
derivationist also an adjective
dermatologist
descriptivist also an adjective
desegregationist
despotist (Rare)
destinist (Rare) also fatalist
destructionist
destructivist also an adjective
detectivist also an adjective
deteriorationist
determinist also an adjective
deuteragonist
deuterogamist also digamist
Deuteronomist
deviationist
devolutionist
devotionalist also devotionist
diabetologist
diabolist
dialectologist
dialist (American English) or diallist (British English)
dialoguist or dialogist also dialoguer
diarist
diatomist
diatribist
dichotomist
dietetist
dietist (Rare) also dietician
diffusionist also an adjective
digamist also deuterogamist
diluvialist
diplomatist also diplomat
dipterist
discursist (Obsolete) also discourser
disloyalist
dissertationist
dissolutionist
distributionist (Rare) also distributer
distributist also an adjective
disunionist
ditheist
dithyrambist
diurnalist (Obsolete) also journalist
diversionist
divisionist also an adjective
documentalist
documentarist also documentarian
dodecaphonist
dogmatist
Donatist
dosimetrist also dosimetrician
dramatist
dramaturgist
drollist (Rare) also droll
druggist
dualist (not to be confused with duelist) also an adjective

duelist (American English) or duellist (British English) also dueler(Am Eng.) or dueller (Br Eng.)

duettist
dumaist
dynamicist
dynamist
dysteleologist
ebonist
ecclesiologist
echoist also echoer
ecologist (American English) or oecologist (British English)
econometrist also econometrician
economist
ecophysiologist
ecoterrorist
ecotourist
ecotoxicologist
ecumenicist
ecumenist
editorialist
educationalist also educationist
egoist
egotist
Egyptologist
electrobiologist
electrochemist
electrologist
electrometallurgist
electrophysiologist
electrotypist
elegist
elitist also an adjective
elocutionist
elogist
Elohist
emanationist also emanatist
emancipationist
emancipist also emancipator
emblematist
embryologist
emigrationist
emotionalist
empiricist also an adjective

enamelist (American English) or enamellist (British English) also enameler (Am Eng) or enameller (Br Eng)

encyclopedist (American English) or encyclopaedist (British English)
endocrinologist
endodontist also endodontologist
endodontologist same as endodontist
endoscopist
enigmatist
enologist (American English) or oenologist (British English)
enosist
enterologist
entomologist
entomotomist
Entozoologist
entryist also entrist
environmentalist
enzymologist
épéeist
ephemerist
epicist
epidemiologist
epigenesist also epigenist
epigenist same as epigenesist
epigeneticist
epigrammatist also epigrammist
epigrammist same as epigrammatist
epigraphist also epigrapher
epilogist
epiphenomenalist
episcopalist
epistemologist
epistolist
epitaphist

epitomist also epitomizer (American English) or epitomiser (British English)

eponymist
equilibrist
ergonomist
eroticist
erpetologist or herpetologist
errorist
escapist also an adjective
escapologist (British English) also escape artist (American English)
eschatologist
esotericist also esoterist
esoterist same as esotericist
Esperantist
essayist
essentialist also an adjective
etacist
etatist (this word is an adjective only)
eternalist
etherist
ethicist also ethician

ethnoarchaeologist (British English) or ethnoarcheologist (American English)

ethnobotanist
ethnolinguist
ethnologist
ethnomethodologist
ethnomusicologist
ethologist
etiologist (American English) or aetiologist (British English)
etymologist
eudemonist (American English) or eudaemonist (British English)
eugenicist or eugenist
euhemerist
eulogist also eulogizer (American English) or eulogiser (British English)
euphemist
euphuist
eurhythmist
Eurocommunist also an adjective
euthenist
evangelist
Evangelist
evolutionist also an adjective
exarchist
exclusionist also exclusioner
exclusivist
excursionist
exegetist also exegete
exhibitionist
existentialist also an adjective
exobiologist
exodist also emigrant
exodontist
exorcist also exorcizer (American English) or exorciser (British English)
expansionist also an adjective
expeditionist (Rare)
experientialist or experientiallist also an adjective
experimentalist also experimenter
experimentist also experimenter
expiatist (Rare) also expiator
explorationist
expressionist or Expressionist also an adjective
expropriationist
extensionist
externalist
extortionist also extortioner
extremist also an adjective
fabulist
facsimilist
factionalist
factionist
factualist
faddist
fagottist also bassoonist
Falangist
fallibilist also an adjective
fallowist (Rare)
familist
famulist
fantasist
fascist also an adjective
fashionist (Rare)
fatalist
fatiloquist also fortune teller
fattist also an adjective
faunist
Fauvist or fauvist
federalist also an adjective
Federalist also an adjective
femalist (Obsolete)
feminist also an adjective
fermentologist
fetichist or fetishist
fetologist
fetoscopist
feudalist
feudist
feuilletonist
fictionist also fictioner
fideist
figurist
finalist
financialist also financier
flautist or flutist
flavorist
floriculturist
flugelhornist or fluegelhornist or flügelhornist
fluoroscopist
florist
flutist or flautist
fluvialist (Rare)
fluxionist
Fohist
Foïst
folklorist
footballist (British English) also footballer (British English)
formalist also an adjective
formulist
fortepianist
fortuitist also an adjective
fossilist also paleontologist
Fourierist also Fourierite
fractionalist
fragmentist (Rare)
Francoist
Franquist also an adjective
frescoist also frescoer
frugalist
fuguist
fumifugist
funambulist
functionalist or Functionalist also an adjective
fundamentalist also an adjective
fungologist also mycologist
fusionist also an adjective
fustianist (Rare)
futilitarianist also an adjective
futurist also an adjective
futurologist
galactophagist
Galenist
galvanist
galvanologist
galvanoscopist
gambist
Gandhiist or Gandhist
garagist
garbologist
gastriloquist
gastroenterologist
gastrologist
gastronomist also gastronome
gastroscopist
Gaullist also an adjective
Gemarist
gemologist or gemmologist
genealogist
generalist
geneticist
geobotanist
geochemist
geochronologist
geodesist
geodynamicist
geoeconomist
geohydrologist also hydrogeologist, hydrologist
geologist also geologer (Rare)
geomagnetist
geometrist also geometrician, geometer
geomorphogenist
geomorphologist
geophagist
geophysicist
geopolitist also geopolitician
geoscientist
geostrategist
geriatrist also geriatrician
gerontologist
Gestaltist or gestaltist
Girondist also an adjective
glacialist also glaciologist, glacial geologist
globalist also an adjective
glossarist
glossist (Obsolete)
glossolalist
glossologist (Archaic) also linguist
glottologist (Obsolete) also linguist
gnomist
gnomologist
gnomonist
Gomarist also Gomarite
Gothamist
governmentalist
gradualist also an adjective
graffitist
grammatist (Rare)
grammatologist
gramophonist (Obsolete)
graphologist
groupist
growthist
Guesdist also an adjective
guitarist
gulist (Obsolete) also glutton
gymnosophist
gynecologist (American English) or gynaecologist (British English)
hacktivist or hactivist
haematologist (British English) or hematologist (American English)
haggadist
hagiographist also hagiographer
hagiologist
hairstylist
halakhist or halakist or halachist
harmonicist also harmonica player
harmonist
Harmonist also Harmonite, Rappist, Rappite
harmoniumist
harpist
harpsichordist also cembalist, clavicembalist
hautboyist
Hebraist
hedonist also an adjective
hegemonist also an adjective
heliculturalist
Hellenist
helminthologist also vermeologist
hematologist (American English) or haematologist (British English)
henotheist
heortologist
hepaticologist
hepatologist
heptarchist also heptarch
heraldist
herbalist also herborist, herbist or (Obsolete) herbarist
herbologist
hereditarianist also an adjective
hereditist (noun) also hereditarian (noun, adjective)
heresiologist
hermeneutist
Hermeticist also an adjective
heroologist
herpetologist or erpetologist
herpetotomist
hetaerist (British English) or hetairist (American English)
heterogenist
heterophemist
heterosexist also an adjective
hexametrist
hierarchist
hieroglyphist also hieroglyphologist
hierogrammatist also hierogrammat or hierogrammate
hierologist
hippiatrist
hippologist
hippophagist
Hispanist also Hispanicist
histochemist
histologist
histopathologist
historicist also an adjective
Hobbist
hobbyist
holist or wholist
homeopathist also homeopath
homilist
homosexualist (noun - Archaic) also homosexual (noun, adjective)
hoplologist
hornist
horologist also horologer
horoscopist
horticulturalist also horticulturist
huloist or hyloist also hylotheist also adjectives
humanist also an adjective
humanitarianist
humoralist
humorist (American English) or humourist (British English)

hybridist also hybridizer (American English) or hybridiser (British English)

hydrobiologist
hydrodynamicist
hydrogeologist also hydrologist, geohydrologist
hydrologist also hydrogeologist, geohydrologist
hydrometallurgist
hydrometeorologist
hydropathist also hydropath
hydroponicist also hydroponist
hydrotherapist
hyetologist
hygeist or hygieist also hygienist
hylicist
hyloist also hylotheist, huloist also adjectives
hylomorphist
hylopathist
hylotheist also hyloist, huloist also adjectives
hylozoist
hymnist also hymnodist, hymnographer
hymnologist
hypaspist
hyperaltruist
hyperaspist (Obsolete)
hyperbolist
hyperconformist
hypermodernist
hyperpurist
hyperrealist
hypnologist
hypnotherapist
hypnotist
hypothesist
hypothetist (Rare)
hypsometrist
iambist
iatrochemist
ichthyologist
ichthyophagist
ichthyotomist
iconodulist also iconodule
iconologist
iconophilist
idealist also an adjective
ideologist
ideopraxist
idolist also idolater (masc.), idolatress (fem.)
idylist (American English) or idyllist (British English)
ignicolist (Rare)
ignorantist (noun) also obscurantist (noun, adjective)
illuminist
illusionist
imaginist (Archaic)
imagist also an adjective
immanentist also an adjective
immaterialist
immersionist
immoralist
immortalist (Rare)
immunoassayist
immunobiologist
immunochemist
immunogeneticist
immunohematologist
immunologist
immunopathologist
immunopharmacologist
immunotherapist
impartialist (Rare)
imperialist also an adjective
implantologist
impossibilist also an adjective
impressionist
Impressionist or impressionist also an adjective
incendiarist (Rare) also incendiary
incorporealist
incrementalist also an adjective
incunabulist
indeterminist also an adjective
indifferentist
individualist
Indologist
industrialist also an adjective
infallibilist
infinitist also an adjective
inflationist
infusionist
innovationist
inquisitionist also inquisitor
insectologist
inspirationist
institutionalist
institutist (Rare)
instrumentalist also an adjective
instrumentist
insurrectionist
integrationist also an adjective
intellectualist
interactionist also an adjective
internationalist
internist
interventionist also an adjective
intimist also an adjective
intransigentist (noun) also intransigent (noun, adjective)
introspectionist also an adjective
intrusionist
intuitionalist also intuitionist also adjectives
iridologist
ironist
irrationalist also an adjective
Irredentist or irredentist also an adjective
irregularist
irreligionist
irridentist variant of irredentist
Islamist also an adjective
isolationist also an adjective
itacist
ivorist
Jahwist or Yahwist also Jahvist or Yahvist also Jehovist
Jansenist
jargonist also jargoneer
Jehovist also Jahvist or Jahwist or Yahvist or Yahwist
jingoist also an adjective
journalist
jovialist
Jovinianist
Judaist
judoist
jujuist
jurist
kabalist or kabbalist or cabalist or cabbalist or qabalist
Kantist
karateist
karyologist
Keltist or Celtist, Celticist
kenoticist
keyboardist also keyboarder
kidologist (British English - Informal)
kinesiologist
kinesipathist also kinesipath
kineticist
Kremlinologist also Sovietologist
Labadist
laborist (American English) or labourist (British English)
Lamaist
lampadist
lampoonist also lampooner
landscapist (not to be confused with landscaper) also paysagist
lanternist (Fictional)
laparoscopist
laparotomist
lapidist (noun) also lapidarist (noun), lapidary (noun, adjective)
larcenist also larcener
laryngologist
laryngoscopist
Latinist
laxist
Lazarist (noun) also Vincentian (noun, adjective)
Leftist or leftist also an adjective
legalist
legendist
legerdemainist
legist
legitimatist also legitimist also an adjective
Leninist also an adjective
lepidopterist
lepidopterologist same as lepidopterist
lexicographist (Rare) also lexicographer
lexicologist
lexiconist (Rare)
libelist also libeller
liberalist also an adjective
liberationist
libidinist
librettist
lichenist same as lichenologist
lichenographist
lichenologist
limacologist
limnologist
linguist
linotypist also linotyper
lipogrammatist
literalist
lithologist
lithotomist
lithontriptist also lithotriptist, lithotritist
lithotritist also lithotriptist also lithontriptist
lithotritist also lithotriptist, lithontriptist
liturgiologist
liturgist
lobbyist
lobotomist
localist
logicist
logomachist also logomach
lookist (this word is an adjective only)
loyalist
luminarist
luminist also an adjective
lunarist (Rare)
lutanist or lutenist also lutist
luxurist (Obsolete)
lycanthropist
lyricist
lyrist
machinist
macroeconomist
madrigalist
magazinist
magnetist
Mahometist (Rare - noun) also Mohammedan (noun, adjective)
malacologist
malapropist
malariologist
malist
mammalogist
mammonist also mammonite
managerialist
mandolinist
mangonist (Obsolete)
Manicheist (noun) also Manichean or Manichaean (noun, adjective), Manichee (noun)
manicurist
mannerist
mantologist (Rare) also diviner
manualist also an adjective
Maoist also an adjective
mappist
marginalist
mariculturist also marine aquaculturist
marimbist
martialist
martyrologist
Marxist also an adjective
masculinist also masculist also adjectives
masochist
massagist also massager
materialist also an adjective
Maurist
maximalist
maximist
mazologist
mechanist
mechanographist
mechanotherapist
Mechitarist or Mekhitarist
medalist (American English) or medallist (British English)
medievalist (American English) or mediaevalist (British English)
mediocrist (Rare)
meditatist
Mekhitarist or Mechitarist
melancholist (Obsolete)
melanist
meliorist also an adjective
melodist
melodramatist
memoirist
memorialist
memorist
Mendelist
Mennonist also Mennonite
mentalist
mercantilist also an adjective
mercurialist
Mercurialist
mesmerist
Messianist or messianist
metafictionist
metalist (American English) or metallist (British English)
metallographist also metallographer
metallurgist
Metamorphist
metaphorist
metempiricist
meteorist also meteoriticist
meteorologist
methodist
Methodist also an adjective
methodologist
metoposcopist
metricist also metrist
metrologist
miasmatist
microanatomist
microbiologist
microchemist
microclimatologist
micrologist
micrometeorologist

micropaleontologist (American English) or micropalaeontologist (British English)

microphysicist
microscopist
microtomist
migrationist
militarist
millennialist
millennist (Obsolete)
mineralist (Obsolete) same as mineralogist
mineralogist
miniaturist
minimalist also an adjective
Minimalist
minimist
ministerialist (British English)
misandrist
misanthropist also misanthrope

miscegenationist (noun, adjective) also miscegenist (noun, adjective) also miscegenator (noun)

miscellanist
miserabilist also an adjective
miserablist variant of miserabilist also an adjective
misogamist
misogynist
misologist
misoneist
Mithraist
mixologist (Facetious) also bartender
mnemonist also mnemotechnist
mobbist also mobber
Modalist
modelist
moderationist
modernist also an adjective
modist
Mohist also an adjective
Molinist
monachist also an adjective
Monarchianist
monarchist also an adjective
monergist
monetarist also an adjective
monist
monochromist
monodist
monogamist
monogenist
monographist also monographer
monogynist
monolinguist (noun) also monolingual (noun, adjective)
monologist or monologuist
monomachist also duelist (American English) or duellist (British English)
monometallist
monopolist
monopsonist
monotheist also an adjective
monotonist
Montanist
moralist
morphinist
morphologist
mosaicist
motettist
motionist (Obsolete) also mover
motorcyclist
motorist
multiculturalist also an adjective
multilateralist also an adjective
multilinguist
municipalist
muralist also an adjective
museologist
musicologist
mutationist
mutualist
myalist
mycologist also fungologist
mycophagist
myographist (Obsolete)
myologist
myriologist
myrmecologist
myropolist (Obsolete)

mythicist also mythicizer (American English) or mythiciser (British English)

mythist also mythmaker
mythopoeist

mythologist also mythologer, mythologizer (American English) or mythologiser (British English)

naivist (this word is an adjective only)
Napoleonist
narcissist also narcist
narcist same as narcissist
narcoterrorist also an adjective
narcotist
narratologist
nasologist
nationalist also an adjective
nativist also an adjective
naturalist
naturist
necrologist
negationist
negativist
Negrophilist also Negrophile or Negrophil
nematologist
nemophilist (Rare)
neoclassicist or neo-classicist
neocolonialist also neocolonial also adjectives
neofascist or neo-Fascist also an adjective
neogamist
neoimpressionist also an adjective
neoisolationist also an adjective
neologist
neonatologist
neoplasticist
Neoplatonist or neoplatonist
neorealist also an adjective
neosurrealist
neoterist
neovitalist
nephalist also an adjective
nephologist
nephrologist
nepotist
Neptunist
neuroanatomist
neurobiologist
neurochemist
neuroembryologist
neuroendocrinologist
neurolinguist
neurologist
neuropathist (Obsolete) same as neurologist
neuropathologist
neuropharmacologist
neurophysiologist
neuropsychiatrist
neuropsychologist
neuropterist
neuroradiologist
neuroscientist
neurotomist
neurotoxicologist
neutralist
newfanglist (Obsolete)
niellist
nihilist also an adjective
Nobelist

noctambulist also noctambule, somnambulist, somnambule, sleepwalker

nominalist
nomologist
nonabsolutist
nonactivist also an adjective
nonanthropologist
nonartist
non-Baptist also an adjective
nonbiologist
non-Bolshevist
nonbotanist
non-Buddhist also an adjective
non-Calvinist also an adjective
noncapitalist
nonchauvinist also an adjective
noncollaborationist
non-Communist also an adjective
nonconformist also an adjective
noncooperationist
nondeist
nondeterminist also an adjective
noneconomist
nonelitist also an adjective
nonevolutionist
nonfaddist
nonfascist also an adjective
nonfeminist also an adjective
nonfundamentalist
nonhumanist
noninterventionalist
noninterventionist also an adjective
non-Marxist also an adjective
non-Methodist also an adjective
nonmonarchist
nonmonetarist
nonmonist
nonmotorist
nonnaturalist
nonnihilist
nonobjectivist also an adjective
nonpacifist
nonpapist
nonpropagandist also an adjective
nonpsychiatrist
nonrationalist
nonrealist
nonrepresentationalist
nonrevivalist
nonroyalist
nonscientist
nonsexist (this word is an adjective only)
nonsocialist also an adjective
non-specialist also an adjective

nonteetotalist also nonteetotaler (American English) or nonteetotaller (British English)

nontheist
nontourist
nontraditionalist also an adjective
nonuniformist also nonuniformitarian
nonunionist
nonuniversalist also an adjective
noologist
nosologist
nostalgist
notaphilist
notionalist
notionist (Rare)
notist (Obsolete) also annotator
noumenalist
novelettist
novelist
nudist also an adjective
nullificationist also nullificator
numerist (Obsolete)
numerologist
numismatist also numismatologist
nutritionist
obituarist
objectist
objectivist also an adjective
oboist
obscurantist (noun, adjective) also ignorantist (noun)
obsessionist (noun) also obsessive (noun, adjective)
obstructionist
obtrusionist
Occamist also Occamite
occasionalist
occultist also an adjective
oceanologist
ocularist
oculist also ophthalmologist, optometrist
Odinist
odist
odonatist also odonatologist
odontist (Facetious) same as dentist
odontologist
odylist
oecist
oecologist (British English) or ecologist (American English)
oenologist (British English) or enologist (American English)
oenophilist also oenophile
oghamist
oikist also an adjective
olfactologist
oligarchist
ologist (Informal)
omophagist
onanist
oncogeneticist
oncologist
oneiroscopist
onomatologist
ontogenist
ontologist
onychophagist
oologist
operationalist also operationist
operettist
ophiologist
ophiophilist
ophthalmologist also ophthalmist, optometrist, oculist
ophthalmoscopist
opinionatist (Obsolete) also opinionist
opportunist
oppositionist
opticist (Rare)
optimist
optologist (Archaic) same as optometrist

optometrist also ophthalmologist, oculist also called ophthalmic optician (British English)

oralist also an adjective
orchardist
orchestralist (Obsolete)
orchidist
orchidologist
oreologist same as orologist
organicist
organist
organographist
organologist
Orientalist
Origenist (noun) also Origenian (noun, adjective)
originalist (Rare)
ornamentalist also ornamentist, decorator
ornithologist
ornithotomist
orologist also orographer
orthodontist
orthoepist
orthographist also orthographer
orthopedist (American English) or orthopaedist (British English)
orthopsychiatrist
orthopterist also orthopterologist
orthoptist
orthotist
oryctologist (Obsolete)
osteologist
osteopathist also osteopath
osteotomist
ostreiculturist
ostreophagist
otolaryngologist also otorhinolaryngologist
otologist
otorhinolaryngologist
ouranographist or uranographist also uranographer
ovariotomist
overoptimist
ovist also ovulist
Pabloist (this word is an adjective only)
pacifist also pacificist also an adjective

paediatrist (British English) or pediatrist (American English) also paediatrician (Br Eng) or pediatrician (Am Eng)

paedobaptist (British English) or pedobaptist (American English)
paedologist (British English) or pedologist (American English)
paedodontist (British English) or pedodontist (American English)
paganist also an adjective

palaeichthyologist or palaeoichthyologist (British English) or paleichthyologist or paleoichthyologist (American English)

palaeoanthropologist (British English) or paleoanthropologist (American English)

palaeobiologist (British English) or paleobiologist (American English)

palaeoclimatologist (British English) or paleoclimatologist (American English)

palaeoecologist (British English) or paleoecologist (American English)
palaeoethnologist (British English) or paleoethnologist (American English)

palaeographist (British English) or paleographist (American English) also palaeographer (Br Eng) or paleographer (Am Eng)

palaeolimnologist (British English) or paleolimnologist (American English)

palaeontologist (British English) or paleontologist (American English) also fossilist

palaeopathologist (British English) or paleopathologist (American English)
palaeopedologist (British English) or paleopedologist (American English)
palaeozoologist (British English) or paleozoologist (American English)
palaetiologist

paleichthyologist or paleoichthyologist (American English) or palaeichthyologist or palaeoichthyologist (British English)

paleoanthropologist (American English) or palaeoanthropologist (British English)

paleobiologist (American English) or palaeobiologist (British English)
paleobotanist also paleophytologist, phytolithologist

paleoclimatologist (American English) or palaeoclimatologist (British English)

paleoecologist (American English) or palaeoecologist (British English)

paleoethnologist (American English) or palaeoethnologist (British English)

paleographist (American English) or palaeographist (British English) also paleographer (Am Eng) or palaeographer (Br Eng)
paleologist (American English) or palaeologist (British English)

paleolimnologist (American English) or palaeolimnologist (British English)

paleomagnetist (American English) or palaeomagnetist (British English)

paleontologist (American English) or palaeontologist (British English) also fossilist

paleopathologist (American English) or palaeopathologist (British English)

paleopedologist (American English) or palaeopedologist (British English)

paleophytologist also paleobotanist
paleozoologist (American English) or palaeozoologist (British English)
palindromist
palingenesist also palingenist
palmist
palynologist
pancratist also pancratiast
pandectist
panegyrist also eulogist
panelist (American English) or panellist (British English)
panentheist
pangrammatist
Panhellenist
Pan-Islamist also an adjective
panlogist also an adjective
panpsychist also an adjective
Pansclavist also Panslavist
pansexualist
pansophist
panspermatist also panspermist
pantheist
pantheologist
pantisocratist
pantologist
pantomimist
pantophagist
papalist also an adjective
papaprelatist (Obsolete)
papist also an adjective
papyrologist
parabolist
Paracelsist (noun) also Paracelsian (noun, adjective)
parachutist also chutist
paradoxist also paradoxer
paragrammatist also punster
paragraphist (British English) also paragrapher (American English)
parajournalist
parallelist also an adjective
paralogist
paramilitarist (noun) also paramilitary (noun, adjective)
parapsychologist
parasitologist
parasynaptist
parochialist
parodist
partialist (Rare)
Partialist
particularist
partitionist also partitioner
Passionist
passivist
pastelist (American English) or pastellist (British English)
pastoralist (Australian English)
paternalist also an adjective
pathologist
pathophysiologist also called physiopathologist
patrist
Paulinist
Paulist
paysagist also landscapist
pediatrist also pediatrician
pedicurist
pedobaptist (American English) or paedobaptist (British English)
pedodontist (American English) or paedodontist (British English)
pedologist (American English) or paedologist (British English)
pedometrist
penologist (American English) or poenologist (British English)
pentametrist
percussionist
perfectibilist
perfectionist also an adjective
perfumist
perfusionist
perinatologist
periodicalist
periodontist
permissivist
permutationist
perpetualist
personalist
perspectivist also an adjective
pessimist
pestologist
petaurist also flying phalanger
petitionist also petitioner
Petrarchist (noun) also Petrarchan (noun, adjective)
Petrinist
petrologist
petrophysicist
peyotist
Phalangist
phalansterist (noun) also phalansterian (noun, adjective)
phallicist also phallist
phallist same as phallicist
Pharisaist (this word is an adjective only)
pharmaceutist same as pharmacist
pharmacist also pharmaceutist
pharmacognosist
pharmacokineticist
pharmacologist
pharmacopoeist
pharmacopolist
pharyngoscopist
pheneticist
phenologist
phenomenalist
phenomenist
phenomenologist
philalethist (Obsolete)
philanthropinist
philanthropist also philanthrope
philatelist
philhellenist also philhellene
phillumenist
philogynist
philologist also philologer
philosophist
phlebologist
phlebotomist
phobist
phonemicist
phoneticist also phonetist, phonetician
phonographist also phonographer
phonologist
phonotypist also phonotyper
photobiologist
photochemist
photogeologist
photogrammetrist
photographist also photographer
photojournalist
photologist
photometrist also photometrician
photomuralist
photorealist also superrealist also adjectives
photoresist
phraseologist
phrenologist
phycologist
phylogenist
physiatrist
physicalist also an adjective
physicist
physiognomist
physiologist
physiopathologist same as pathophysiologist
physiotherapist
Physoclist
phytochemist
phytolithologist same as paleobotanist
phytologist (Rare) also botanist
phytopathologist
phytosociologist
phytotomist
pianist
pianolist
Piarist
piccoloist
pictorialist
Pietist
Pillarist also Stylite
pillionist
pindarist or Pindarist
pinionist
pisciculturist
pistologist
plagiarist
planetologist
Platformist also an adjective
Platonist also an adjective
pleasurist (Rare)
plebicolist (Rare)
pleinairist
plenist
Plotinist also an adjective
plumist
pluralist also an adjective
plutologist (Obsolete)
plutonist
plutonomist
pneumatologist
pococurantist
podiatrist also chiropodist
podologist
poenologist (British English) or penologist (American English)
pogromist
pointillist also an adjective
polemicist or polemist
polemologist
politicist (Rare)
pollist also pollster
poloist
polyandrist
polyarchist
polycentrist also an adjective

polydaemonist (British English) or polydemonist (American English) also an adjective

polygamist
polygenist also an adjective
polygraphist also polygrapher
polygynist
polymathist
polyphagist
polyphonist
polyschematist (this word is an adjective only)
polytheist
polytonalist
pomologist
Populist also an adjective
populist
portionist
portraitist
positivist also an adjective
possibilist also an adjective
postcapitalist (this word is an adjective only)
postfeminist also an adjective
Post-Impressionist also an adjective
postmillennialist
postmodernist also an adjective
postpositivist
posturist
potamologist
Poujadist also an adjective
praeterist (British English) or preterist (American English) also adjectives
practicalist
pragmatist (noun, adjective) also pragmaticist (noun)
pre-Buddhist (this word is an adjective only)
precapitalist also an adjective
precisionist also an adjective
preevolutionist
prefascist also an adjective
preferentialist
preformationist
prelatist
pre-Methodist also an adjective
premillennialist
prerevisionist (this word is an adjective only)
prescriptivist also an adjective
presentationist also an adjective
presentist
preservationist
presocialist
prespecialist
preterist (American English) or praeterist (British English) also adjectives
primatologist
primitivist
Priscillianist
privatist also an adjective
proabolitionist also an adjective
proabsolutist also an adjective
proatheist also an adjective
probabiliorist
probabilist also an adjective
pro-Baptist also an adjective
problematist (Rare)
problemist
pro-Bolshevist also an adjective
pro-Buddhist also an adjective
procapitalist also an adjective
processionalist (Rare)
procollectivist also an adjective
procommunist also an adjective
pro-Communist
proconservationist also an adjective
proctologist
proctoscopist
proctosigmoidoscopist same as sigmoidoscopist
proempiricist
proevolutionist also an adjective
profascist also an adjective
profeminist also an adjective
professionalist
profilist
progressionist
progressist
progressivist also an adjective
prohibitionist
Prohibitionist
projectionist
pro-Methodist also an adjective
promilitarist also an adjective
promoderationist also an adjective
promodernist also an adjective
promonarchist also an adjective
promorphologist
pronatalist
pronationalist also an adjective
propacifist also an adjective
propagandist also an adjective
propapist also an adjective
prorealist also an adjective
prorevolutionist also an adjective
prosaist
proscriptionist
prosodist
prosthetist
prosthodontist
prosyndicalist also an adjective
protagonist
protectionist also an adjective
protist
protistologist
protocolist
protozoologist
prounionist also an adjective
proverbialist
provincialist
prudentialist (Rare)
psalmist
psalmodist
psalmographist also psalmographer
psephologist
pseudo-Baptist also an adjective
pseudo-Buddhist also an adjective
pseudologist (Facetious)
pseudo-Methodist also an adjective
pseudoscientist
psilanthropist
psychiatrist
psychicist (noun) also psychic (noun, adjective)
psychist
psychobiologist
psychoimmunologist
psycholinguist
psychologist also an adjective
psychometrist also psychometrician
psychoneuroimmunologist
psychopannychist also psychopannychian
psychopathist (Archaic) same as psychiatrist
psychopathologist
psychopharmacologist
psychophysicist
psychophysiologist
psychotechnologist
psychotherapeutist
psychotherapist
pteridologist
pteridophilist (Obsolete)
Ptolemaist
publicist
pugilist
punctist also punctuist, punctator
punctualist
punctuationalist also punctuationist
punctuist also punctist, punctator
purist
putschist
pyramidist
pyramidologist
pyrgologist
pyrologist
pyrotechnist
pyrrhicist
Pyrrhonist
pythonist also conjurer, soothsayer
qabalist or kabalist or kabbalist or cabalist or cabbalist
quadrigamist
quarterfinalist
quaternionist
quattrocentist
querist
questionist 1. (Obsolete) 2. (British Education)
questrist (Obsolete)
quietist
quinologist
quotationist
Rabbinist also Rabbinite
racialist also an adjective
racist also an adjective
radiesthesist
radiobiologist
radiochemist
radiologist
radiophonist (Obsolete)
radiotherapist
rallyist
Ramist
rapist also raper
Rappist also Rappite, Harmonist, Harmonite
rapturist (Obsolete)
ratificationist also an adjective
rationalist
reactionarist (Rare - noun) also reactionary (noun, adjective)
reactionist also reactionary also adjectives
realist also an adjective
reasonist (Obsolete) also rationalist
recensionist
receptionist
recidivist also an adjective
recitalist
recitationist
Reconstructionist also an adjective
recordist
recreationist
recyclist also recycler
Redemptionist (noun) also Trinitarian (noun, adjective)
Redemptorist
redistributionist
reductionist also an adjective
reductivist
reflexologist
reformationist
reformist also an adjective
refractionist
regalist
regionalist also an adjective
reincarnationist
rejectionist also an adjective
relationist (Obsolete) also relative, relation
relativist also an adjective
relativitist
religionist
removalist (Australian English)
representationalist
representationist also an adjective
repressionist
repudiationist also an adjective
requisitionist also requisitioner
researchist also researcher
reservationist
reservist
resolutionist also resolutioner
restitutionist
restorationist also an adjective
restrictionist
resurrectionist
retaliationist (noun, adjective) also retaliator (noun)
retentionist
retinoscopist
reunionist
revanchist also an adjective
revelationist
reverist
reversionist also an adjective
revisionist also an adjective
revivalist
revolutionist also an adjective
revuist
rhabdomantist
rhapsodist
rheologist
rheumatologist
rhinologist
rhymist also rhymer, rhymester
rhythmist
rightist or Rightist also an adjective
rigorist (American English) or rigourist (British English)
ripienist
ritualist
roboticist
rodomontadist
roentgenologist or röntgenologist
romancist (Rare) also romancer
Romanicist
Romanist
romanticist
Romist (Rare) also Roman Catholic
röntgenologist or roentgenologist
routinist
royalist also an adjective
rubricist
runologist
ruralist (noun, adjective) also ruralite (noun)
ruricolist (Rare) also ruralist, ruralite
sacerdotalist
sacramentalist
sacrilegist
sacrist also sacristan
sadist
sadomasochist or sado-masochist also an adjective
safarist
saintologist (Rare)
saltationist
Salvationist
salvationist
Sanhedrist
sanitarist (noun) also sanitarian (noun, adjective)
sanitationist
sansculottist or sans-culottist
Sanskritist or Sanscritist
sapphist
saprobiologist
sarodist
Satanist
satirist
Saturnist
Saivist also Shaivist
Saxonist
saxophonist
scagliolist
scarabaeist
scatologist
scenarist
schematist
schemist (Rare) also schemer
schismatist
scientist
sciolist
Scotist also an adjective
scripophilist also scripophile
Scripturalist
Scripturist
scrupulist (Obsolete) also scrupler
secessionist also an adjective
seclusionist
secretist (Obsolete)
sectarist (Rare) also sectary
sectionalist also an adjective
sectist (Rare) also soetary
secularist also an adjective
sedimentologist
seditionist (noun) also seditionary (noun, adjective)
segregationist
seismologist also seismographer
selectionist also an adjective
selenographist also selenographer
selenologist
selfist (Rare)
self-parodist
self-satirist
semanticist also semantician
semaphorist
semasiologist
semeiologist (British English) or semiologist (American English)
semianarchist
semiconformist
semiexhibitionist
semifinalist
seminarist also seminarian
seminist
semiologist (American English) or semeiologist (British English)

semioticist (American English) or semeioticist (British English) also semiotician (Am Eng) or semeiotician (Br Eng)

semipacifist also an adjective
semipropagandist (this word is an adjective only)
semirevolutionist
semisocialist
Semitist
sensationalist also sensationist also adjectives
sensist
sensualist
sententiarist also sententiary
sentimentalist
separatist also separationist also adjectives
Septembrist
serendipitist also serendipiter, serendipper
serialist
sericulturist also sericiculturist

sermonist also sermonizer (American English) or sermoniser (British English)

serologist
serotherapist
sexdigitist
sexist also an adjective
sexologist
sexualist
shadowgraphist
Shaivist also Saivist
shamanist also an adjective
Shintoist also an adjective
shootist
sibylist
siderographist also siderographer
sigmoidoscopist also proctosigmoidoscopist
signalist
signaturist (Obsolete)
silhouettist
Silurist
silviculturist or sylviculturist
simonist
simplist
Sinarquist sometimes written Sinarchist
sindonologist
sinecurist
singularist (Obsolete)
Sinologist also Sinologue
sitarist
situationist also an adjective
sizeist (Informal)
Slavicist also Slavist
Slavist also Slavicist
snowmobilist also snowmobiler
socialist also an adjective
sociobiologist
sociolinguist
sociologist
sociometrist
Socratist
sodalist
sodomist
solarist
solecist
solfaist
solidarist
solidist

soliloquist also soliloquizer (American English) or soliloquiser (British English)

solipsist also an adjective
soloist
solutionist also problem solver
somatist
somatologist
somnambulist also somnambule, noctambulist, noctambule, sleepwalker
somniloquist
somnipathist
sonnetist also sonneter, sonneteer
sophist
Sophist
sopranist
Sorbonist
Sovietologist also Kremlinologist
spagyrist also written spagerist, spagirist
spasmodist
specialist
speciesist also specist also adjectives
spectroscopist
speculatist also speculator, theorist
speculist (Rare)
speleologist (American English) or spelaeologist (British English)
spermalist same as spermist
spermist also called spermalist
spermologist
sphagnologist
sphenographist also sphenographer
Spinozist
spiralist also an adjective
spiritist
spiritualist
spongologist
Stalinist also an adjective
statist (1) also an adjective
statist (2) also statistician
steganographist also cryptographer
stegophilist
stenographist also stenographer
stenotypist
Stercoranist
stereoscopist
stereotomist
stereotypist also stereotyper
stethoscopist
stigmatist (noun) also stigmatic (noun, adjective)
stirpiculturist
stomatologist
storiologist
strategist
stratigraphist also stratigrapher
structuralist also an adjective
structurist
Stundist
stylist
subjectist
subjectivist
submarinist also submariner
subordinationist
subspecialist
substantialist
subtrist (this word is an adjective only)
Successionist
suffragist
suggestionist
suicidologist
suist (Rare)

summarist also summarizer (American English) or summariser (British English)

summist
sumoist also sumo wrestler
superconformist
superdramatist
superegoist
superficialist
superindividualist
superlobbyist
superloyalist
supernationalist also an adjective
supernaturalist also an adjective
superoptimist
superrealist also photorealist also adjectives
superspecialist
superstitionist (Obsolete)
supranationalist
supranaturalist
supremacist also an adjective
Suprematist or suprematist also adjectives
surrealist also an adjective
survivalist
swarajist also an adjective
syllabist
syllogist
sylviculturist or silviculturist
symbolist also an adjective
Symbolist
symbologist
symmetrist

sympathist (Rare) also sympathizer (American English) or sympathiser (British English)

symphonist
syncopist
syncretist
syndicalist also an adjective
synechist also an adjective
synecologist
synergist also an adjective
synodist
synonymist
synoptist
synthesist
synthetist
syphilologist
systematist
tachist or tachiste also adjectives
tachygraphist also tachygrapher
tactilist
Talmudist
tambourinist
tangoist
tanist
Taoist also an adjective
taphonomist
tapist (Archaic) also red-tapist (Archaic) also adjectives
tarantist or tarentist
Targumist
tattooist also tattooer
tautologist
taxidermist
taxonomist also taxonomer
technicist
technologist

teetotalist also teetotaler (American English) or teetotaller (British English)

telegraphist also telegrapher
telejournalist
teleologist
telepathist also telepath
telephonist (British English) also telephone operator (American English)
telescopist
teletypist
televangelist

temporist (Obsolete) also temporizer (American English) or temporiser (British English)

tenebrist also an adjective
tennist (Rare) also tennis player
tenorist
tenotomist
teratogenicist
teratologist
Terminist
terminologist
territorialist
terrorist also an adjective
Teutonist
textualist also an adjective
textuarist (Rare - noun) also textuary (noun, adjective)
textuist (Obsolete) also textualist
texturist
thanatist
thanatologist
thaumaturgist also thaumaturge
theanthropist
theist also an adjective
theogonist

theologist also theologian, theologizer (American English) or theologiser (British English)

theomachist
theophilanthropist
theophobist
theorbist
theorematist
theorist
theosophist
therapist also therapeutist
thereminist
thermochemist
thermodynamicist
theurgist
Thomist also an adjective
threnodist
timbrelist
timbrologist (Archaic) also stamp collector
timbrophilist
timist or timeist
timpanist or tympanist
titlist
tobacconist (Chiefly British English)
tobogganist also tobogganer
tocologist or tokologist also obstetrician
tolerationist
tonalist
topiarist
topographist also topographer
topologist
toponymist
torpedoist
totalist (1 - Politics) (adjective only) also totalitarian (noun, adjective)
totalist (2 - Music) (this word is an adjective only)
totemist
tourist
toxicologist
tracheoscopist
tracheotomist
traditionalist also an adjective
traditionist
traducianist also traducian also adjectives
trailerist
trampolinist also trampoliner
transcendentalist also an adjective
transcriptionist
transformationalist
transformist
transfusionist
transmigrationist (Rare)
transmissionist
transmutationist
transubstantiationalist
transvestist also transvestite
trapezist also trapeze artist
Trappist also an adjective
traumatologist
treasonist also traitor
trecentist
triadist
trialist (American English) or triallist (British English)
tribalist
tribologist
trichologist
trichopterist
tricyclist
trigamist
trilateralist
trinomialist
Tripersonalist (noun) also Trinitarian (noun, adjective)
tritagonist
tritheist also an adjective
triumphalist (this word is an adjective only)
trivialist (Rare)
Trochilidist
troilist also an adjective
trombonist
tropist
tsarist or tzarist or czarist also adjectives
tubaist also tubist
tulipist
tutiorist
tympanist or timpanist
typist
typographist also typographer
typologist
ubiquist same as ubiquitist
ubiquitist also ubiquist, ubiquitarian, ubiquitary
Uckewallist
ufologist
ultraist also an adjective
ultraleftist also an adjective
ultramicrochemist
ultramodernist
ultramontanist
ultranationalist also an adjective
ultrarealist
ultrarightist also an adjective
ultraroyalist also an adjective
ultrasegregationist also an adjective
unalist
unconformist (Obsolete) also nonconformist
unconventionalist
undulationist
unfeminist
unicameralist
unicyclist
uniformitarianist (Rare) also an adjective
unilateralist also an adjective
unionist
Unionist
Unipersonalist
unisolationist (this word is an adjective only)
Universalist also an adjective
universalist also an adjective
universologist
unpacifist (this word is an adjective only)
unrealist
unsexist (this word is an adjective only)
uprist (Obsolete) also uprising
uranographist also uranographer
urbanist
urbanologist
urologist
uroscopist
utopianist also utopist
Utraquist also Calixtine or Calixtin
vacationist also vacationer
vaccinist also vaccinator
vaccinologist
vacuist
vanguardist
variationist also an adjective
varitypist
Vaticanist
vaudevillist (noun) also vaudevillian (noun, adjective)
Vedantist
vegetist
velocipedist
vendettist
venereologist
ventriloquist
verbalist
verist also an adjective
vermeologist also helminthologist
vernacularist
versionist (Rare) also translator
verslibrist
vetoist
vexillologist
vibist also vibraharpist also vibraphonist
victimologist
vigilantist also an adjective
vignettist
vineyardist
viniculturist
vinologist
violinist
violist
violoncellist
virginalist
virologist
virtualist
visagist or visagiste also makeup artist
visionist (noun) also visionary (noun, adjective)
visualist also visualizer (American English) or visualiser (British English)
vitalist also an adjective
viticulturist also viticulturer
vitraillist
vivisectionist
vocabulist also lexicographer
vocalist also singer
vocationalist
Volapukist
volcanist or vulcanist
volcanologist or vulcanologist
volplanist
volumist (Obsolete) also author
voluntarist also an adjective
voluntaryist
voodooist
vorticist also an adjective
votarist (noun) also votary (noun, adjective)
votist (Obsolete)
vulcanist or volcanist
vulcanologist or volcanologist
watercolorist (American English) or watercolourist (British English)
weightist also an adjective
welfarist also an adjective
wholist same as holist
womanist also an adjective
workerist
xenoarchaeologist (Science Fiction)
xylophonist
xylotomist
Yahwist 
Jahwist 
Yahvist 
Jahvist 
Jehovist
zealotist (Obsolete) also zealot
Zionist
zitherist
zoist
zoographist also zoographer
zoologist
zoonomist
zooperist
zoophilist
zoophysiologist
zoophytologist
zootomist
zymologist
zymurgist