| Erdhacker | Nominativ, Singular | nominative case, singular | |
| Erdhacker(e)s | Genitiv, Singular | genitive case, singular | |
| Erdhacker(e) | Dativ, Singular | dative case, singular | |
| Erdhacker | Akkusativ, Singular | accusative case, singular | |
| Erdhackere | Nominativ, Plural | nominative case, plural | |
| Erdhackere | Genitiv, Plural | genitive case, plural | |
| Erdhackeren | Dativ, Plural | dative case, plural | |
| Erdhackere | Akkusativ, Plural | accusative case, plural |