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