one person - many ....
people
one child - three ...
children
one woman - three ...
women
one man - three ...
men
one mouse - two ...
mice
one ox - three ...
oxen
one cactus - many ...
cacti
one octopus
octopi
one sheep - two ...
sheep
one fish - four ...
fish
one deer - three ....
deer
one foot - two ...
feet
one tooth - two ...
teeth
one goose - three ...
geese
