Man
Men
Ox
Oxen
Deer
Deer
Leaf
Leaves
Child
Children
Wife
Wives
Half
Halves
This
These
Hero
Heroes
That
Those
Oasis
Oases
Woman
Women
Fungus
Fungi
Potato
Potatoes
Sheep
Sheep
Person
People
Thief
Thieves
Tooth
Theeth
Cactus
Cacti
Knife
Knives
Mouse
Mice
Foot
Feet
Tomato
Tomatoes
Goose
Geese