foot
feet
tooth
teeth
mouse
mice
moose
moose
person
people
elf
elves
goose
geese
man
men
loaf
loaves
aircraft
aircraft
cactus
cacti
fish
fish
half
halves
wolf
wolves
deer
deer
life
lives
leaf
leaves
scarf
scarves
die
dice
sheep
sheep
ox
oxen
wife
wives
woman
women
self
selves
child
children
knife
knives
salmon
salmon
quiz
quizzes