Treppenkurve	Nominativ, Singular	nominative case, singular
	Treppenkurve	Genitiv, Singular	genitive case, singular
	Treppenkurve	Dativ, Singular	dative case, singular
	Treppenkurve	Akkusativ, Singular	accusative case, singular
	Treppenkurven	Nominativ, Plural	nominative case, plural
	Treppenkurven	Genitiv, Plural	genitive case, plural
	Treppenkurven	Dativ, Plural	dative case, plural
	Treppenkurven	Akkusativ, Plural	accusative case, plural