Singular and Plural Nouns
Singular Nounsprincipaltoepicklephotograph
RuleAdd s to most nouns to make them plural.
Plural Nounsprincipalstoespicklesphotographs
Singular Nounspeachtoothbrushboxdress
RuleAdd es to most nouns ending in ch, sh, s, ss, z, or x.
Plural Nounspeachestoothbrushesboxesdresses
Singular Nounsstorybatterypuppy
RuleIf a noun ends in a consonant and y, change the y to i and add es.
Plural Nounsstoriesbatteriespuppies
Singular Nounstoymonkeyday
RuleIf a noun ends in a vowel and y, add s to make it plural.
Plural Nounstoysmonkeysdays
Singular Nounsleafwifehalfwolf
RuleSome nouns ending in f or fe are made plural by changing the f to a v and adding es.
Plural Nounsleaveswiveshalveswolves
Singular Nounsroof handkerchiefbeliefhoof
RuleSome nouns ending in f are made plural by adding s.
Plural Nounsroofshandkerchiefsbeliefshoofs
Singular Nounsradiostereopatiovideo
RuleMost nouns ending in o that have a vowel just before the o are made plural by adding s.
Plural Nounsradiosstereospatiosvideos
Singular Nounstomatopotatotornadopianocello
RuleSome nouns ending in o that have a consonant just before the o are made plural by adding es, but with others you just add s.
Plural Nounstomatoespotatoestornadoespianoscellos
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