(3) Mutation-plurals.
| SINGULAR. | PLURAL. | ||
| Nom. | fōt (foot). | Nom. | fēt. |
| Dat. | fēt. | Dat. | fōt-um. |
| Gen. | fōt-es. | Gen. | fōt-a. |
So also tōþ (tooth). Mann (man), męnn, mannes; męnn, mannum, manna.
(4) u-nouns.
| SINGULAR. | PLURAL. | ||
| Nom. | sun-u (son). | Nom. | sun-a. |
| Dat. | sun-a. | Dat. | sun-um. |
| Gen. | sun-a. | Gen. | sun-a. |
So also wudu (wood).
(5) r-nouns (including feminines).
| SINGULAR. | PLURAL. | ||
| Nom. | mōdor (mother). | Nom. | mōdor. |
| Dat. | mēder. | Dat. | mōdr-um. |
| Gen. | mōdor. | Gen. | mōdr-a. |
So also brōþor (brother); fæder (father), dohtor (daughter), have dat. sing. fæder, dehter.