Notes
Plural Nouns Rules
In English, most nouns can be made plural by adding -s or -es to the end. However, the exact rule depends on how the word ends. This table shows the most common pluralization patterns.
Word Ending
Rule
Examples
Most words
Add -s
cat → cats, book → books, car → cars
-s, -ss, -sh, -ch, -x, -z, -o
Add -es
bus → buses, class → classes, dish → dishes, watch → watches, box → boxes, quiz → quizzes, tomato → tomatoes,
-y (after consonant)
Change -y to -ies
baby → babies, city → cities, story → stories
Irregular Plurals
Some nouns have irregular plural forms that don't follow the standard rules. These must be memorized.
noun
person
noun
child
noun
man
noun
woman
noun
foot
noun
tooth
noun
fish
Singular (1)
Plural (2+)
person
people
child
children
man
men
woman
women
foot
feet
tooth
teeth
fish
fish
Video: Plural Nouns
plural nouns