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Irregular Plural Nouns
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moose
moose
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Okay!
radius
radii
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Okay!
fungus
fungi
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Okay!
louse
lice
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Okay!
aircraft
aircraft
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Okay!
foot
feet
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Okay!
index
indeces
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Okay!
person
people
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Okay!
salmon
salmon
Oops!
Okay!
appendix
appendices
Oops!
Okay!
goose
geese
Oops!
Okay!
life
lives
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Okay!
axis
axes
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Okay!
mouse
mice
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Okay!
loaf
loaves
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Okay!
vertebra
vertebrae
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Okay!
scarf
scarves
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Okay!
alumnus
alumni
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Okay!
tooth
teeth
Oops!
Okay!
matrix
matrices
Oops!
Okay!
series
series
Oops!
Okay!
child
children
Oops!
Okay!
fish
fish
Oops!
Okay!
offspring
offspring
Oops!
Okay!
sheep
sheep
Oops!
Okay!
man
men
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Okay!
half
halves
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Okay!
formula
formulae
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Okay!
antenna
antennae
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Okay!
medium
media
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Okay!
die
dice
Oops!
Okay!
knife
knives
Oops!
Okay!
quiz
quizzes
Oops!
Okay!
species
species
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Okay!
self
selves
Oops!
Okay!
bacterium
bacteria
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Okay!
oasis
oases
Oops!
Okay!
wolf
wolves
Oops!
Okay!
wife
wives
Oops!
Okay!
woman
women
Oops!
Okay!
leaf
leaves
Oops!
Okay!
elf
elves
Oops!
Okay!
deer
deer
Oops!
Okay!
hypothesis
hypotheses
Oops!
Okay!
thesis
theses
Oops!
Okay!
analysis
analyses
Oops!
Okay!
cactus
cacti
Oops!
Okay!
ox
oxen
Oops!
Okay!
nucleus
nuclei
Oops!
Okay!
phenomenon
phenomena
Oops!
Okay!
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