Do you know the difference between plural and singular nouns (and which plural nouns in English are irregular)? Read on to find out!

Common Irregular Noun Plurals in English

Making singular nouns plural

Most singular nouns in English are easy to make plural: simply add an “-s.”

  • One dog
  • Two dogs
  • One bottle
  • Five bottles

For nouns that end in s, x, z, ch, and sh, we add “-es.”

  • One bus
  • Two buses
  • One watch
  • Two watches
  • One fox
  • Two foxes

For nouns that end in consonant + y, we remove the y and add “-ies.”

  • One baby
  • Two babies

However, there are some irregular nouns in English that do not follow these simple rules. The following list includes the common irregular noun plurals in English.

Common Irregular Noun Plurals in English


Singular                  Plural

Analysis                    Analyses

Basis                          Bases

Child                         Children

Crisis                        Crises

Data                          Datum

Deer                         Deer (or deers)

Diagnosis               Diagnoses

Fish                          Fish (or fishes)

Goose                      Geese

Half                          Halves

Loaf                          Loaves

Man                          Men

Moose                     Moose

Mouse                     Mice

Scarf                        Scarves

Self                           Selves

Series                      Series

Sheep                      Sheep

Thief                       Thieves

Tooth                      Teeth

Wife                         Wives

Wolf                        Wolves

Woman                   Women

Common Irregular Noun Plurals in English

Practicing Common Irregular Noun Plurals in English

Can you complete the chart?

 

Analysis                  ________

________           Bases

Child                       ________

Crisis                      ________

Data                        ________

Deer                       Deer (or deers)

________          Diagnoses

Fish                        Fish (or fishes)

Goose                     ________

Half                        ________

________          Loaves

Man                       ________

Moose                   ________

________          Mice

Scarf                      ________

Self                        ________

________         Series

Sheep                   ________

________        Thieves

________        Teeth

Wife                     ________

Wolf                    ________

________        Women