English irregular plural

irregular-plurals.php

<?php

$irregular = [
	'addendum' => 'addenda',
	'alga' => 'algae',
	'alumna' => 'alumnae',
	'alumnus' => 'alumni',
	'analysis' => 'analyses',
	'antenna' => [
		'antennas',
		'antennae',
	],
	'apparatus' => 'apparatuses',
	'appendix' => [
		'appendices',
		'appendixes',
	],
	'axis' => 'axes',
	'bacillus' => 'bacilli',
	'bacterium' => 'bacteria',
	'basis' => 'bases',
	'beau' => 'beaux',
	'bison' => 'bison',
	'buffalo' => [
		'buffalos',
		'buffaloes',
	],
	'bureau' => 'bureaus',
	'bus' => [
		'busses',
		'buses',
	],
	'cactus' => [
		'cactuses',
		'cacti',
	],
	'calf' => 'calves',
	'child' => 'children',
	'corps' => 'corps',
	'corpus' => [
		'corpora',
		'corpuses',
	],
	'crisis' => 'crises',
	'criterion' => 'criteria',
	'curriculum' => 'curricula',
	'datum' => 'data',
	'deer' => 'deer',
	'die' => 'dice',
	'dwarf' => [
		'dwarfs',
		'dwarves',
	],
	'diagnosis' => 'diagnoses',
	'echo' => 'echoes',
	'elf' => 'elves',
	'ellipsis' => 'ellipses',
	'embargo' => 'embargoes',
	'emphasis' => 'emphases',
	'erratum' => 'errata',
	'fireman' => 'firemen',
	'fish' => [
		'fish',
		'fishes',
	],
	'focus' => 'focuses',
	'foot' => 'feet',
	'formula' => 'formulas',
	'fungus' => [
		'fungi',
		'funguses',
	],
	'genus' => 'genera',
	'goose' => 'geese',
	'half' => 'halves',
	'hero' => 'heroes',
	'hippopotamus' => [
		'hippopotami',
		'hippopotamuses',
	],
	'hoof' => 'hoofs',
	'hooves',
	'hypothesis' => 'hypotheses',
	'index' => [
		'indices',
		'indexes',
	],
	'knife' => 'knives',
	'leaf' => 'leaves',
	'life' => 'lives',
	'loaf' => 'loaves',
	'louse' => 'lice',
	'man' => 'men',
	'matrix' => 'matrices',
	'means' => 'means',
	'medium' => 'media',
	'memorandum' => 'memoranda',
	'millennium' => ['millenniums', 'milennia'],
	'moose' => 'moose',
	'mosquito' => 'mosquitoes',
	'mouse' => 'mice',
	'nebula' => [
		'nebulae',
		'nebulas',
	],
	'neurosis' => 'neuroses',
	'nucleus' => 'nuclei',
	'oasis' => 'oases',
	'octopus' => [
		'octopi',
		'octopuses',
	],
	'ovum' => 'ova',
	'ox' => 'oxen',
	'paralysis' => 'paralyses',
	'parenthesis' => 'parentheses',
	'person' => 'people',
	'phenomenon' => 'phenomena',
	'potato' => 'potatoes',
	'radius' => [
		'radii',
		'radiuses',
	],
	'scarf' => [
		'scarfs',
		'scarves',
	],
	'self' => 'selves',
	'series' => 'series',
	'sheep' => 'sheep',
	'shelf' => 'shelves',
	'scissors' => 'scissors',
	'species' => 'species',
	'stimulus' => 'stimuli',
	'stratum' => 'strata',
	'syllabus' => [
		'syllabi',
		'syllabuses',
	],
	'symposium' => [
		'symposia',
		'symposiums',
	],
	'synthesis' => 'syntheses',
	'synopsis' => 'synopses',
	'tableau' => 'tableaux',
	'that' => 'those',
	'thesis' => 'theses',
	'thief' => 'thieves',
	'this' => 'these',
	'tomato' => 'tomatoes',
	'tooth' => 'teeth',
	'torpedo' => 'torpedoes',
	'vertebra' => 'vertebrae',
	'veto' => 'vetoes',
	'vita' => 'vitae',
	'watch' => 'watches',
	'wife' => 'wives',
	'wolf' => 'wolves',
	'woman' => 'women',
	'zero' => [
		'zeros',
		'zeroes',
	],
];