Koppelstück | Nominativ, Singular | nominative case, singular | |
Koppelstücks,Koppelstückes | Genitiv, Singular | genitive case, singular | |
Koppelstücken | Dativ, Singular | dative case, singular | |
Koppelstücke | Akkusativ, Singular | accusative case, singular | |
Koppelstücken | Nominativ, Plural | nominative case, plural |