Alumnus
Alumni
child
children
deer
deer
cat
cats
sheep
sheep
woman
women
fish
fish
sandwich
sandwiches
city
cities
peach
peaches
good (noun)
goods
rose
roses
goose
geese
party
parties
toy
toys
thief
thieves
focus
foci, focuses
shelf
shelves
piano
pianos
penny
pence
ox
oxen
scarf
scarfs, scarves
man
men
potato
potatoes