Erftal | Nominativ, Singular | nominative case, singular | |
Erftale | Genitiv, Singular | genitive case, singular | |
Erftales | Dativ, Singular | dative case, singular | |
Erftals | Akkusativ, Singular | accusative case, singular | |
Erftalen | Nominativ, Plural | nominative case, plural |