Windöffnung	Nominativ, Singular	nominative case, singular
	Windöffnung	Genitiv, Singular	genitive case, singular
	Windöffnung	Dativ, Singular	dative case, singular
	Windöffnung	Akkusativ, Singular	accusative case, singular
	Windöffnungen	Nominativ, Plural	nominative case, plural
	Windöffnungen	Genitiv, Plural	genitive case, plural
	Windöffnungen	Dativ, Plural	dative case, plural
	Windöffnungen	Akkusativ, Plural	accusative case, plural