Plural Nouns

Plural Nouns

For the plural form of most nouns, add s.

Regular Nouns

• bottle – bottles
• cup – cups
• elephant - elephants
• pencil – pencils
• desk – desks
• sticker – stickers
• table - tables
• truck - trucks
• window – windows

Irregular Plurals

For nouns that end in ch, sh, x, s, z is or s sounds, add es.

• box – boxes
• cross - crosses
• loss - losses
• watch – watches
• mass – masses
• bus – buses
• analysis - analyses
• crisis - crises
• thesis - theses
• quiz - quizzes

For nouns ending in f or fe, change f to v and add es.

• wolf – wolves
• wife – wives
• leaf – leaves
• life – lives
• thief - thieves
• shelf - shelves

For nouns ending in o, change to oes.

• echo – echoes
• hero – heroes
• tomato – tomatoes

But o change to os

• auto - autos
• kangaroo - kangaroos
• kilo - kilos
• memo - memos
• photo - photos
• piano - pianos
• pimento - pimentos
• pro - pros
• radio – radios
• solo - solos
• soprano - sopranos
• studio - studios
• tattoo - tattoos
• video - videos
• zoo - zoos

Some nouns have different plural forms.

• child – children
• woman – women
• man – men
• mouse – mice
• goose – geese
• person - people
  tooth - teeth
• foot - feet

Nouns ending in vowels like y or o do not have definite rules.

• baby – babies
• toy – toys
• kidney – kidneys
• potato – potatoes
• memo – memos
• stereo – stereos
• volcano - volcanoes
• phenomenon - phenomena

A few nouns have the same singular and plural forms.

• sheep – sheep
• deer – deer
• series – series
• species – species
• fish - fish

More Irregular Plurals

criterion - criteria

phenomenon - phenomen