Irregular plural nouns are plurals that don’t end in “s”. This lesson shows you how to form common irregular plurals and gives you a list of the most common ones. You can find the tests at the bottom of the page.
The plural form of words is usually formed by adding “S”. However, there are some irregular plural forms.
This chart shows you how to form the plural of nouns:
| ENDING | PLURAL | EXAMPLE |
| S, X, CH, SH, Z | Add – ES | Boss – bossesTax – taxes
Church – churches |
| Consonant + Y | Change Y to I and add ES | Fly – fliesParty – parties |
| FE | Change F to V and add S | Knife – knivesLife – lives
Wife – wives |
| F | Change F to V and add ES | Half – halvesWolf – wolves
Loaf – loaves |
| O | Add ES | Potato – potatoesTomato – tomatoes
Volcano – volcanoes |
Common Irregular Plurals
| SINGLE | PLURAL |
| MAN | MEN |
| WOMAN | WOMEN |
| PERSON | PEOPLE |
| CHILD | CHILDREN |
| FOOT | FEET |
| TOOTH | TEETH |
| DIE | DICE |
| MOUSE | MICE |
| SHEEP | SHEEP |
| DEER | DEER |
| FISH | FISH |
| GOOSE | GEESE |
| MOOSE | MOOSE |
More Irregular Plural Nouns Material
Would you like more practice with irregular plural nouns? Here are the lesson and tests: