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