Irregular Plurals
There are two types of irregular plurals:
1. Words that don't change.
2. Words that don't follow plural spelling rules.
Words That Don't Change
These words are the same in the singular and plural form.
| Singular (1) | Plural (2+) |
|---|---|
| aircraft | aircraft |
| deer | deer |
| fish | fish |
| moose | moose |
| offspring | offspring |
| sheep | sheep |
| species | species |
| salmon | salmon |
| trout | trout |
Many of these words refer to animals. A lot of fish names also follow this pattern.
Words That Don't Follow Plural Spelling Rules
| Singular (1) | Plural (2+) |
|---|---|
| child | children |
| die | dice |
| foot | feet |
| goose | geese |
| louse | lice |
| man | men |
| mouse | mice |
| ox | oxen |
| person | people |
| tooth | teeth |
| woman | women |
Many compound words that end with an irregular plural follow the same pattern.
| Singular (1) | Plural (2+) |
|---|---|
| workman | workmen |
| schoolchild | Schoolchildren |
Learn the spelling rules for regular plurals.
Learn more about using plurals.