Spelling Plural Nouns
Here are some general rules for spelling plural nouns.
|Most nouns||add s||book, books; cup, cups; sprout, sprouts|
|Most nouns that end in ch, sh, s, x, or z||add es||box, boxes; bus, buses; prize, prizes|
|Most nouns that end in a vowel and y||add s||boy, boys; day, days; key, keys|
|Most nouns that end in a consonant and y||y becomes ies||baby, babies; country, countries; spy, spies|
|Most nouns that end in f or fe||f or fe becomes ves||elf, elves; loaf, loaves; thief, thieves|
|Most nouns that end in o||add s||kangaroo, kangaroos; piano, pianos; video, videos|
|Certain nouns that end in a consonant and o||add es||hero, heroes; potato, potatoes; volcano, volcanoes|
Certain English nouns change a vowel sound when they become plural. These include goose, geese; man, men; mouse, mice; and tooth, teeth.
Some nouns don't change at all when they become plural. These include deer, fish, sheep, and species.
A few nouns have plural forms that are left from Old English. These include child, children and ox, oxen.