liebfraumilch vs Rhine wine

liebfraumilch and Rhine wine both are nouns.

Word	Noun	Adjective	Verb	Adverb
liebfraumilch	Yes	No	No	No
Rhine wine	Yes	No	No	No

As nouns, Rhine wine is a hypernym of liebfraumilch; that is, Rhine wine is a word with a broader meaning than liebfraumilch:

liebfraumilch: a sweetened Rhenish wine (especially one from Hesse in western Germany)
Rhine wine: any of several white wines from the Rhine River valley in Germany (`hock' is British usage)

Other hypernyms of liebfraumilch include hock, Rhenish.

liebfraumilch (noun)	Rhine wine (noun)
a sweetened Rhenish wine (especially one from Hesse in western Germany)	any of several white wines from the Rhine River valley in Germany (`hock' is British usage)