Most Common Words by Parts of Speech

grammatical-words.php

$adverbs = [
	"again",  "ago", "almost", "already", "always", "away", "by", "certainly",
	"especially", "even", "ever", "far", "fully", "here", "how", "however",
	"inside", "just", "maybe", "near", "nearly", "never", "not", "now", "out",
	"possibly", "quite", "rather",  "really", "right", "so", "somewhat",
	"still", "then", "there", "too", "up", "very", "well", "whether"
];

$articles = ["a", "an", "the", "some"];

$conjunctions = [
  "after", "although", "and", "as", "because", "before", "but", "for", "if",
  "nor", "once", "or", "since", "so", "than", "though", "till", "until",
  "when", "whenever", "where", "wherever", "while", "why", "yet"
];

$demonstratives = ["that", "these", "this", "those"];

$interjections = ["ah", "hey", "oh" ];

$interrogatives = [
	"any", "certain", "either", "neither", "whatever", "whatsoever", "which",
	"whichever", "such"
];

$formulas = [ "course", "no", "thanks", "yeah", "yes" ];

$modals = [
	"can", "could", "may", "might", "must", "shall", "should", "will", "would"
];

$numbers = [
	// "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
	"zero", "one", "two", "three", "four", "five", "six", "seven", "eight",
	"nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen",
	"sixteen", "seventeen", "eighteen", "nineteen", "twenty",
	"thirty", "fourty", "fifty", "sixty", "seventy", "eighty", "ninety",
	"hundred", "thousand", "million", "billion", "trillion",
	"first", "second", "third", "fourth", "fifth", "sixth", "seventh", "eighth",
	"ninth", "tenth", "once", "twice", "half", "double", "triple", "quadruple",
	"times", "equals", "subtract", "multiply", "divide", "number", "numbers"
];

$possessives = [
	"hers", "his", "its", "mine", "my", "our", "ours",  "own", "their",
	"theirs", "whose","your", "yours"
];

$prepositions = [
	"about", "against", "after", "around", "at", "as", "behind", "beside",
	"down", "for", "from", "in", "into", "of", "off", "on", "onto", "over",
	"through", "to", "under", "until", "upon", "with", "without" 
];

$pronouns = [
	"anyone", "he", "her", "herself", "him", "himself", "i", "it", "me", "she",
	"someone", "something", "them", "they", "us", "we", "what", "who",
	"whoever", "you"
];

$quantifiers = [
	"all", "bit", "both", "couple", "each", "enough", "every", "everyone"
	"everything", "everywhere", "few", "fewer", "least", "less", "little",
	"lot", "lots", "many", "more", "most", "much", "pair", "plenty", "several"	
];

nouns.php

<?
$abstractNouns = [
	"answer", "answers", "area", "areas", "art", "business", "businesses",
	"case", "cases", "change", "changes", "education", "fact", "facts",
	"force", "forces", "game", "games", "government", "governments", "health",
	"history", "information", "issue", "issues", "job", "jobs", "kind", "kinds",
	"law", "laws", "level", "levels", "life", "lives", "lot", "lots",
	"name", "names", "point", "points", "power", "powers",
	"problem", "problems", "program", "programs", "question", "questions",
	"research", "reason", "reasons", "result", "results", "rest",
	"right", "rights", "service", "services", "sort", "sorts",
	"stories", "story", "system", "systems", "war", "way", "ways",
	"word", "words"
];

$bodyNouns = [
	"arm", "arms", "back", "backs", "body", "bodies", "brow", "calf", "calves",
	"cheek", "cheeks", "chest", "chin", "ear", "ears", "eye", "eyes",
	"face", "faces", "feet", "fingers", "forehead", "foot", "hair", "head",
	"heel", "heels", "hip", "hips", "knee", "knees", "leg", "legs",
	"lip", "lips", "mouth", "neck", "palm", "palms", "shin", "shins",
	"shoulder", "shoulders", "stomach", "thigh", "thighs", "toe", "toes",
	"torso", "waist", "wrist", "wrists"
];

$objectNouns = [
	"air", "bed", "beds", "book", "books", "car", "cars", "door", "earth",
	"fire", "floor", "home", "homes", "house", "houses", "metal", "money",
	"room", "rooms", "stuff", "thing", "things", "water", "world"
];

$otherNouns = [
	"cities", "city", "end", "ends", "line", "lines",  "part", "parts",
	"place", "places", "school", "schools", "side", "sides", "state", "states"
];

$peopleNouns = [
	"boy", "boys", "child", "children", "community", "communities",
	"company", "companies", "daughter", "daughters", "families", "family",
	"father", "fathers", "friend", "friends", "girl", "girls",
	"group", "groups", "guy", "guys", "kid", "kids", "man", "member", "members",
	"men", "mother", "mothers", "mr", "mrs", "ms", "others",
	"parent", "parents", "party", "person", "people", "sir", "son", "sons",
	"student", "students", "teacher", "teachers", "team", "teams",
	"woman", "women"
];

$timeNouns = [
	"day", "days", "hour", "hours", "minute", "minutes", "moment", "moments",
	"month", "months", "morning", "mornings", "night", "nights",
	"time", "times", "week", "weeks", "year", "years"
];

verbs.php

<?
$mostCommonVerbs = [
    "ask", "asking", "asks", "asked",
    "be", "being", "is", "am", "are", "were", "been", "was",
    "become", "becoming", "becomes", "became",
    "begin", "beginning", "begins", "began", "begun",
    "bring", "bringing", "brings", "brought",
    "call", "calling", "calls", "called",
    "come", "coming", "comes", "came",
    "do", "does", "doing", "did",
    "feel", "feeling", "feels", "felt",
    "find", "finding", "finds", "found",
    "get", "getting", "gets", "got", "gotten",
    "give", "giving", "gives", "gave", "given",
    "go", "going", "goes","went", "gone",
    "have", "has", "having", "had",
    "hold", "holding", "holds", "held",
    "keep", "keeping", "keeps", "kept",
    "know", "knowing", "knows", "knew",
    "leave", "leaving", "leaves", "left",
    "let", "letting", "lets",
    "like", "liking", "likes", "liked",
    "live", "living", "lives", "lived",
    "look", "looking", "looks", "looked",
    "make", "making", "makes", "made",
    "mean", "meaning", "means", "meant",
    "need", "needing", "needs", "needed",
    "put", "putting", "puts",
    "say", "saying", "says", "said",
    "seem", "seeming", "seems", "seemed",
    "take", "taking", "takes", "took", "taken",
    "tell", "telling", "tells", "told",
    "think", "thinking", "thinks", "thought",
    "try", "trying", "tries", "tried",
    "use", "using", "uses", "used",
    "want", "wanting", "wants", "wanted"
];

$commonVerbs = [
    "allow", "allowing", "allows", "allowed",
    "believe", "believing", "belives", "believed",
    "change", "changing", "changes", "changed",
    "continue", "continuing", "continues", "continued",
    "create", "creating", "creates", "created",
    "drink", "drinking", "drinks", "drank", "drunk",
    "follow", "following", "follows", "followed",
    "happen", "happening", "happens", "happened",
    "hear", "hearing", "hears", "heard",
    "help", "helping", "helps", "helped",
    "include", "including", "includes", "included",
    "lead", "leading", "leads", "led",
    "learn", "learning", "learns", "learned",
    "lose", "losing", "loses", "lost",
    "meet", "meeting", "meets", "met",
    "pay", "paying", "pays", "paid",
    "play", "playing", "plays", "played",
    "provide", "providing", "provides", "provided",
    "read", "reading", "reads",
    "realize", "realizing", "realizes", "realized",
    "return", "returning", "returns", "returned",
    "run", "running", "runs", "ran",
    "set", "setting", "sets",
    "show", "showing", "shows", "showed",
    "sit", "sitting", "sits", "sat",
    "speak", "speaking", "speaks", "spoke",
    "stand", "standing", "stands", "stood",
    "start", "starting", "starts", "started",
    "stop", "stopping", "stops", "stopped",
    "talk", "talking", "talks", "talked",
    "turn", "turning", "turns", "turned",
    "understand", "understanding", "understands", "understood",
    "watch", "watching", "watches", "watched",
    "write", "writing", "writes", "wrote", "written"
];

$lessCommonVerbs = [
    "add", "adding", "adds", "added",
    "appear", "appearing", "appears", "appeared",
    "build", "building", "builds", "built",
    "buy", "buying", "buys", "bought",
    "consider", "considering", "considers", "considered",
    "cut", "cutting", "cuts",
    "deal", "dealing", "deals", "dealt",
    "decide", "deciding", "decides", "decided",
    "die", "dieing", "dies", "died",
    "eat", "eating", "eats", "ate",
    "expect", "expecting", "expects", "expected",
    "fall", "falling", "falls", "fell",
    "grow", "growing", "grows", "grew",
    "hate", "hating", "hates", "hated",
    "join", "joining", "joins", "joined",
    "kill", "killing", "kills", "killed",
    "love", "loving", "loves", "loved",
    "move", "moving", "moves", "moved",
    "open", "opening", "opens", "opened",
    "offer", "offering", "offers", "offered",
    "pass", "passing", "passes", "passed",
    "pull", "pulling", "pulls", "pulled",
    "raise", "raising", "raises", "raised",
    "reach", "reaching", "reaches", "reached",
    "remain", "remaining", "remains", "remained",
    "remember", "remembering", "remembers", "remembered",
    "reply", "replying", "replies", "replied",
    "report", "reporting", "reports", "reported",
    "require", "requiring", "requires", "required",
    "sell", "selling", "sells", "sold",
    "send", "sending", "sends", "sent",
    "serve", "serving", "serves", "served",
    "spend", "spending", "spends", "spent",
    "stay", "staying", "stays", "stayed",
    "suggest", "suggesting", "suggests", "suggested",
    "wait", "waiting", "waits", "waited",
    "walk", "walking", "walks", "walked",
    "win", "winning", "wins", "won"
];