Singular
Something you see falling on the ground in the fall.
Leaf
How do you write more than one thing falling on the ground in the fall?
Leaves
This is something that people use to store books.
Shelf
How do you write more than one place to store books?
Shelves
This is a baby cow.
Calf
How do you write more than one baby cow?
Calves
Something you use to cut bread.
Knife
How do you write many things that cut bread?
Knives
Another way to say bread.
Loaf
How do you say more than one bread?
Leaves