| Kerngrube | Nominativ, Singular | nominative case, singular | |
| Kerngrube | Genitiv, Singular | genitive case, singular | |
| Kerngrube | Dativ, Singular | dative case, singular | |
| Kerngrube | Akkusativ, Singular | accusative case, singular | |
| Kerngruben | Nominativ, Plural | nominative case, plural | |
| Kerngruben | Genitiv, Plural | genitive case, plural | |
| Kerngruben | Dativ, Plural | dative case, plural | |
| Kerngruben | Akkusativ, Plural | accusative case, plural |