| Haselmaus | Nominativ, Singular | nominative case, singular | |
| Haselmaus | Genitiv, Singular | genitive case, singular | |
| Haselmauses | Dativ, Singular | dative case, singular | |
| Haselmäuse | Akkusativ, Singular | accusative case, singular | |
| Haselmäusen | Nominativ, Plural | nominative case, plural |