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