Rohrpumpe	Nominativ, Singular	nominative case, singular
	Rohrpumpe	Genitiv, Singular	genitive case, singular
	Rohrpumpe	Dativ, Singular	dative case, singular
	Rohrpumpe	Akkusativ, Singular	accusative case, singular
	Rohrpumpen	Nominativ, Plural	nominative case, plural
	Rohrpumpen	Genitiv, Plural	genitive case, plural
	Rohrpumpen	Dativ, Plural	dative case, plural
	Rohrpumpen	Akkusativ, Plural	accusative case, plural