wolf
wolves
leaf
leaves
foot
feet
child
children
mouse
mice
moose
moose
self
selves
wife
wives
die
dice
woman
women
tooth
teeth
salmon
salmon
ox
oxen
life
lives
deer
deer
knife
knives
man
men
phenomenon
phenomena
goose
geese
scarf
scarves
person
people
louse
lice
loaf
loaves
bacterium
bacteria
fish
fish
sheep
sheep
series
series
half
halves