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