More Info: Plural Nouns
Updated February 21, 2017 | Factmonster Staff 
More examples of regular and irregular plural nouns
by Jennie Wood
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Regular and Irregular plural nouns can be tricky. Below are more examples of the different kinds of plural nouns.
Nouns where the plural form is adding letter "s"
- Baseball / Baseballs
- Base / Bases
- Car / Cars
- Girl / Girls
- Horse / Horses
- Key / Keys
- Apple / Apples
Nouns ending in "s," "ch," "sh," "x," that add "es"
- Church / Churches
- Fox / Foxes
- Gas / Gases
- Switch / Switches
Nouns ending in the letter "o," that add "s"
- Kangaroo / Kangaroos
- Kilo / Kilos
- Photo / Photos
- Video / Videos
- Zoo / Zoos
Nouns ending in the letter "o," add "os" or "oes"
- Mosquito / Mosquitos or Mosquitoes
- Motto / Mottos or Mottoes
- Tornado / Tornados or Tornadoes
- Volcano / Volcanos or Volcanoes
- Zero / Zeros or Zeroes
Nouns ending in "y," change "y" to "i" and add "es"
- Baby / Babies
- Century / Centuries
- Penny / Pennies
- Variety / Varieties
Nouns ending in "f," change "f" to "v" and add "es"
- Calf / Calves
- Elf / Elves
- Hoof / Hooves
- Knife / Knives
- Self / Selves
Nouns that don't change at all in plural form
- Barracks / Barracks
- Deer / Deer
- Fish / Fish
- Moose / Moose
- Sheep / Sheep
Nouns that change completely in plural form
- Child / Children
- Mouse / Mice
- Person / People
Nouns where the plural is a change in the vowel
- Foot / Feet
- Goose / Geese
- Man / Men
- Tooth / Teeth
- Woman / Women
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