man……men
foot……feet
child……children
person……people
aircraft……aircraft
barracks……barracks
deer……deer
gallows……gallows
moose……moose
salmon……salmon
hovercraft……hovercraft
spacecraft……spacecraft
series……series
species……species
means……means
offspring……offspring
fish……fish
sheep……sheep
offspring……offspring
trout……trout
swine……swine
person……people
ox……oxen
woman……women
caveman……cavemen
policeman……policemen
child……children
tooth……teeth
goose……geese
mouse……mice
louse……lice
penny……pence
alumna……alumnae
formula……formulae/formulas
index……indices/indexes
matrix……matrices
vertex……vertices
appendix……appendices
axis……axes
genesis……geneses
nemesis……nemeses
crisis……crises
testis……testes
addendum……addenda
corrigendum……corrigenda
datum……data
forum……for a/forums
medium……media/mediums
memorandum……memoranda/memorandums
millennium……millennia
ovum……ova
spectrum……spectra
alumnus……alumni
corpus……corpora
census……censuses
focus……foci
genus……genera
prospectus……prospectuses
radius……radii
campus……campuses
succubus……succubi
stylus……styli
syllabus……syllabi/syllabuses
viscus……viscera
virus……viruses/virii
cactus……cactuses/cacti
fungus……fungi
hippopotamus……hippopotamuses/hippopotami
octopus……octopuses
terminus……termini/terminuses
uterus……uteri/uteruses
meatus……meatus/meatuses
status……status/statuses
automaton……automata
criterion……criteria
phenomenon……phenomena
polyhedron……polyhedral
stigma……stigmata/stigmas
stoma……stomata/stomas
schema……schemata/schemas
dogma……dogmata/dogmas
lemma……lemmata/lemmas
anathema……anathemata/anathemas
beau……beaux/beaus
bureau……bureaux/bureaus
tableau……tableaux/tableaus
kniazhestvo……kniazhestva/kniazhestvos
kobzar……kobzari/kobzars
oblast……oblasti/oblasts
cherub……cherubim/cherubs
seraph……seraphim/seraphs
matzah……matzot/matzahs
kibbutz……kibbutzim/kibbutzes
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