| Bitternis | Nominativ, Singular | nominative case, singular | |
| Bitternisses | Genitiv, Singular | genitive case, singular | |
| Bitternis | Dativ, Singular | dative case, singular | |
| Bitternis | Akkusativ, Singular | accusative case, singular | |
| Bitternisse | Nominativ, Plural | nominative case, plural | |
| Bitternisse | Genitiv, Plural | genitive case, plural | |
| Bitternissen | Dativ, Plural | dative case, plural | |
| Bitternisse | Akkusativ, Plural | accusative case, plural |