Planunterlage	Nominativ, Singular	nominative case, singular
	Planunterlage	Genitiv, Singular	genitive case, singular
	Planunterlage	Dativ, Singular	dative case, singular
	Planunterlage	Akkusativ, Singular	accusative case, singular
	Planunterlagen	Nominativ, Plural	nominative case, plural
	Planunterlagen	Genitiv, Plural	genitive case, plural
	Planunterlagen	Dativ, Plural	dative case, plural
	Planunterlagen	Akkusativ, Plural	accusative case, plural