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