Rückwendung	Nominativ, Singular	nominative case, singular
	Rückwendung	Genitiv, Singular	genitive case, singular
	Rückwendung	Dativ, Singular	dative case, singular
	Rückwendung	Akkusativ, Singular	accusative case, singular
	Rückwendungen	Nominativ, Plural	nominative case, plural
	Rückwendungen	Genitiv, Plural	genitive case, plural
	Rückwendungen	Dativ, Plural	dative case, plural
	Rückwendungen	Akkusativ, Plural	accusative case, plural