The Most Common Irregular Plural Nouns in English

Learn the Most Common Irregular Plural Nouns in English with Examples and Pictures.

The majority of English count nouns are predictable in the spelling of the plural form. however, there are several nouns, which are irregular in their spelling.

Common Irregular Plural Nouns in English

Changing the Spelling of Singular Noun

For Examples:

• person – people
• ox – oxen
• man – men
• woman – women
• caveman – cavemen
• policeman – policemen
• child – children
• tooth – teeth
• foot – feet
• goose – geese
• mouse – mice
• mouse – lice

Some Nouns Use the Same Singular and Plural Form

For Examples:

• aircraft – aircraft
• barracks – barracks
• deer – deer
• gallows – gallows
• moose – moose
• salmon – salmon
• hovercraft – hovercraft
• spacecraft – spacecraft
• series – series
• species – species
• means – means
• offspring – offspring
• deer – deer
• fish – fish
• sheep –  sheep

Some Nouns Are of Latin/ Greek/ French Origin

For Examples:

Nouns of Latin Origin:

• alumnus – alumni/alumnuses
• apex – apices/apeces
• appendix – appendices/ appendixes

Nouns of French Origin:

For Examples:

• chateau – chateaux/chateaus
• bureau – bureaux/ bureaus
• tableau – tableaux/tableaus

Nouns of Greek Origin:

For Examples:

• diagnosis – diagnoses
• ellipsis – ellipses
• hypothesis – hypotheses
• oasis – oases

Common Irregular Plural Nouns | Images