How to Change Singular Nouns into Plural Nouns

How to Change Singular Nouns into Plural Nouns: This article will explain the rules of how to change singular nouns into plural nouns.

Rule 1:

Most singular nouns are made plural by adding ‘s’ to the end of the singular form.

Example :
SingularPlural
carcars
bookbooks
birdbirds
pencilpencils
dogdogs
Rule 2:

Singular nouns that end in ‘s’, ‘ss’, ‘sh’, ‘ch’, ‘x’, or ‘z’ need an ‘es’ at the end to become plural.

Example :
SingularPlural
busbuses
benchbenches
boxboxes
dishdishes
classclasses
quizquizzes
Rule 3:

When the singular noun ends in a VOWEL + Y, then add ‘S’ to the end of the noun to make it plural.

Example :
SingularPlural
boyboys
holidayholidays
keykeys
guyguys
toytoys
rayrays
Rule 4:

When the singular noun ends in a CONSONANT + Y, then remove Y and add ‘IES’ to the noun to make it plural.

Example :
SingularPlural
partyparties
babybabies
storystories
ladyladies
familyfamilies
citycities
Rule 5:

When the singular noun ends in F or FE, then remove the F/FE and add ‘VES’ to the noun.

Example :
SingularPlural
wifewives
leafleaves
knifeknives
thiefthieves
halfhalves
wolfwolves
Exceptions : roof – roofs, belief – beliefs, chef – chefs, chief – chiefs
Rule 6:

If the noun ends in a VOWEL + O, then add ‘S’ to the end of the noun.

Example :
SingularPlural
radioradios
stereostereos
videovideos
Rule 7:

If the noun ends in a CONSONANT + O, then add ‘ES’ to the end of the noun.

Example :
SingularPlural
potatopotatoes
mangomangoes
heroheroes
tomatotomatoes
echoechoes
Exceptions: piano – pianos, photo – photos
Rule 8:

There are a number of nouns that don’t follow these rules. They are irregular and we need to learn them individually.

Example :
SingularPlural
manmen
childchildren
footfeet
mousemice
personpeople
toothteeth
goosegeese
Rule 9:

There are some nouns that are same in the singular and the plural form.

Example :
SingularPlural
sheepsheep
deerdeer
cattlecattle
aircraftaircraft
seriesseries
furniturefurniture
luggageluggage

Video Reference of how to change singular nouns into plural nouns:

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