Grammar Lessons: English Plural Nouns (Definition, Rules, and Examples) (2024)

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Introduction

Mastering plural nouns is a key aspect of effective communication. Plurals involve more than just adding an “s” to a word, as there are rules and exceptions that learners need to understand. This guide will provide a comprehensive overview of plural nouns, encompassing regular and irregular forms, as well as singular nouns that defy the typical pluralization rules.

What are Plural Nouns?

Grammar Lessons: English Plural Nouns (Definition, Rules, and Examples) (1)

In English, plural nouns refer to more than one person, place, thing, or idea. While regular plurals generally involve adding “s” to the singular form, irregular plurals and exceptions introduce a layer of complexity.

Plural Rules: How to Change Singular Nouns to Plural Ones

To change a singular noun to its plural form in English, you usually add ‘s’. For example, the plural ofbookisbooks. The plural of“table”is“tables“. These areregular plurals.

But many nouns don’t follow this rule. For example, the plural of“fish”is“fish“. The plural of“tooth”is“teeth“. These areirregular plurals

Grammar Lessons: English Plural Nouns (Definition, Rules, and Examples) (2)

1. Regular Plural Nouns In English:

A. How to Form Regular Plurals (Adding ‘s’):

The standard method involves adding “s” to the singular noun, such as “dog” becoming “dogs” or “snake” transforming into “snakes“.

Noun + s

Examples:

  • More than one snake = snakes
  • More than one girl = girls
  • More than one window = windows
SingularPlural
snakesnakes
windowwindows
boxboxes
boyboys
lorrylorries
potatopotatoes
knifeknives

B. Spelling of Regular Plurals:

While many plural nouns follow the above rule, the spelling sometimes differs. Here are some examples:

a. Nouns that end in-ch,x,s, z,ors-likesounds;

Nouns ending in -ch, -x, -s, -z, or s-like sounds require an “es” for the plural, as seen in witch to witches or box to boxes.

  • More than one witch = witches
  • More than one box = boxes
  • More than one gas = gases
  • More than one bus = buses
  • More than one kiss = kisses
b. Nouns that end in a vowel +y:

Nouns that end in a vowel +ytake the letters:

  • More than one boy = boys
  • More than one way = ways
c. Nouns that end in a consonant +y

Nouns that end in a consonant +ydrop the y and takeies:

  • More than one baby = babies
  • More than one lorry = lorries
d. Nouns that end ino:

1. A lot of nouns that end inotakeesin the plural form:

  • More than one potato = potatoes
  • More than one hero = heroes
obecomesoes
echoechoes
embargoembargoes
heroheroes
potatopotatoes
tomatotomatoes
torpedotorpedoes
vetovetoes

2. Some nouns ending inobreak the above rule and get osin the plural form:

obecomesos
autoautos
kangarookangaroos
kilokilos
memomemos
photophotos
pianopianos
pimentopimentos
propros
solosolos
sopranosopranos
studiostudios
tattootattoos
videovideos
zoozoos

3. Other nouns ending inoget either osoroesin the plural forms:

obecomes os oroes
buffalobuffalos/buffaloes
cargocargos/cargoes
halohalos/haloes
mosquitomosquitos/mosquitoes
mottomottos/mottoes
nonos/noes
tornadotornados/tornadoes
volcanovolcanos/volcanoes
zerozeros/zeroes

4. Nouns that end inf’‘or‘fe’:

Plurals of nouns that end inforfeusually change thefsound to avsound and addsor-es.

  • more than one knife= knivesGrammar Lessons: English Plural Nouns (Definition, Rules, and Examples) (3)
  • more than one leaf= leaves
  • more than one hoof= hooves
  • more than one life= lives
  • more than one self= selves
  • more than one elf= elves

2. Irregular Plural Nouns In English:

a. Irregular Nouns

Several nouns have irregular plural forms in English:

SingularPlural
fishfish
sheepsheep
barracksbarracks
footfeet
toothteeth
goosegeese
toothteeth
goosegeese
childchildren
manmen
womanwomen
personpeople
mousemice

Plurals formed in this way are sometimes called irregular plurals or mutated (or mutating) plurals.

Here are more examples:

  • more than one child =children
  • more than one woman =women
  • more than one man =men
  • more than one person =people
  • more than one goose =geese
  • more than one mouse =mice
  • more than one barracks =barracks
  • more than one deer =deer

b. Plurals that change ‘a’ to ‘ae’

Some foreign nouns retain their plural. (Note that some of them adapted the‘s‘of the English plural form!)

SingularForeign pluralEnglish plural
algaalgae
amoebaamoebaeamoebas
antennaantennaeantennas
formulaformulaeformulas
larvalarvae
nebulanebulaenebulas
vertebravertebrae

c. Plurals that change ‘us’ to ‘i’ or ‘s’

Nouns ending in‘us‘get‘a‘,‘i,or the‘s‘of the English plural:

SingularForeign pluralEnglish plural
corpuscorpora
genusgenera
alumnusalumni
bacillusbacilli
cactuscacticactuses
focusfoci
fungusfungifunguses
nucleusnuclei
octopusoctopioctopuses
radiusradii
stimulusstimuli
syllabussyllabisyllabuses
terminustermini

d. Plurals that change ‘um’ to ‘i’

Nouns ending in‘um‘get‘a‘,‘i,or the‘s‘of the English plural:

SingularForeign pluralEnglish plural
addendumaddenda
bacteriumbacteria
curriculumcurriculacurriculums
datumdata
erratumerrata
mediummedia
memorandummemorandamemorandums
ovumova
stratumstrata
symposiumsymposiasymposiums

e. Plurals that change ‘ex’ to ices or ‘s’

Nouns ending inexorixgeticesor get thesof the English plural:

SingularForeign pluralEnglish plural
apexapicesapexes
appendixappendicesappendixes
cervixcervicescervixes
indexindicesindexes
matrixmatricesmatrixes
vortexvortices

f. Plurals that change ‘is’ to ‘es’

Nouns ending inisbecomingesin plural:

SingularPlural form
analysisanalyses
axisaxes
basisbases
crisiscrises
diagnosisdiagnoses
emphasisemphases
hypothesishypotheses
neurosisneuroses
oasisoases
parenthesisparentheses
synopsissynopses
thesistheses

g. Plurals that change ‘on’ to ‘a’

Nouns ending in -on becoming -a:

singularplural
criterioncriteria
phenomenonphenomena
automatonautomata

3. Nouns That Are Always Singular:

A handful of nouns appear to be plural in form but take a singular verb:

  • Thenewsisbad.
  • Gymnasticsisfun to watch.
  • Economics/mathematics/statisticsissaid to be difficult.

Some nouns never take the s of the plural and are always singular:

  • Yourluggage/baggageis so heavy
  • I’d like to buy newfurniturefor the house
  • You can find moreinformationon our website.

More on plural nouns in English here.

Conclusion

Mastering plural nouns is an essential skill for English language learners. While regular plurals generally adhere to the “add -s” rule, irregular plurals and exceptions add nuances to the learning process. By understanding these rules and exceptions, learners can confidently navigate the intricacies of pluralization in English, enhancing their overall language proficiency.

Related Pages:

  • Exercise On Plurals
  • Plural of Compound Nouns
  • Nouns In English
  • Countable and uncountable Nouns
Grammar Lessons: English Plural Nouns (Definition, Rules, and Examples) (2024)
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