Easy
Singular noun of an animal with four legs, often called man's best friend.
Dog
Plural form of a young child who is not yet a toddler.
Babies
Singular form of a part of a plant that falls off in autumn.
Leaf
Plural form of an item filled with pages and used for reading.
Books
These farm animals have the same form in both singular and plural.
Sheep
Singular noun of a small domesticated feline often kept as a pet.
Cat
Plural form of a large urban area.
Cities
Singular form of a bird known for its honking sound.
Goose
Plural form of a common fruit that's often red or green.
Apples
This word for an aquatic animal remains the same whether singular or plural.
Fish
Singular noun of a vehicle with four wheels used for transportation.
Car
Plural form of an adult female
Women
Singular form of young people
Child
Plural form of a yellow tropical fruit often found in bunches
Bananas
This article of clothing has the same name in singular and plural forms
Pants
Singular noun for a building where people live.
House
Plural form of a small rodent often found in houses.
Mice
Singular form of adult males.
Man
Plural form of a piece of furniture used for sitting.
Chairs
Plural form of a microscopic organism often found in colonies.
Bacteria
Singular noun for a tall plant with leaves and branches.
Tree
Plural form of a part of the body used for walking.
Feet
Singular form of the hard structures in the mouth used for chewing.
Tooth
Plural form of a writing instrument filled with ink.
Pens
Plural form of an unusual event or occurrence.
Phenomena