Matching Pairs Irregular Plural NounsOnline version Class review. by Katie Swann 1 tooth 2 wolf 3 foot 4 deer 5 person 6 shelf 7 child 8 knife 9 ox 10 goose 11 man 12 moose 13 mouse 14 calf 15 loaf people children teeth knives shelves loaves moose feet deer mice geese calves men wolves oxen