Singular and Plural Nouns

Singular Nounsprincipalcafeteriateam

RuleAdd s to most nouns to make them plural.

Plural Nounsprincipalscafeteriasteams

Singular Nounsswitchwishbox

RuleAdd es to most nouns ending in ch, sh, s, ss, z, or x.

Plural Nounsswitcheswishesboxes

Singular Nounscommunitybatterydiscovery

RuleIf a noun ends in a consonant and y, change the y to i and add es.

Plural Nounscommunitiesbatteriesdiscoveries

Singular Nounstoyplayroadway

RuleIf a noun ends in a vowel and y, add s to make it plural.

Plural Nounstoysplaysroadways

Singular Nounsleafwifehalf

RuleSome nouns ending in f or fe are made plural by changing the f to a v and adding es.

Plural Nounsleaveswiveshalves

Singular Nounsroof chiefbelief

RuleSome nouns ending in f are made plural by adding s.

Plural Nounsroofschiefsbeliefs

Singular Nounsradiostereocellopiano

RuleMost nouns ending in o that have a vowel just before the o are made plural by adding s.

Plural Nounsradiosstereoscellospianos

Singular Nounstomatopotatotornado

RuleSome nouns ending in o that have a consonant just before the o are made plural by adding es.

Plural Nounstomatoespotatoestornadoes

Singular Nounschild mouseman

RuleA few nouns have irregular plural forms where you change the whole word.

Plural Nounschildrenmicemen

Singular Nounsfoottoothgoose

RuleIn a few nouns, you need to change the oo to ee to make the words plural.

Plural Nounsfeetteethgeese

Singular Nounssheeptroutfishdeermoose

RuleA few nouns have the same form for both the singular and plural form.

Plural Nounssheeptroutfishdeermoose