Riesling vs common grape vine

Riesling and common grape vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Riesling	Yes	No	No	No
common grape vine	Yes	No	No	No

As nouns, common grape vine is a hypernym of Riesling; that is, common grape vine is a word with a broader meaning than Riesling:

Riesling: white grape grown in Europe and California
common grape vine: common European grape cultivated in many varieties; chief source of Old World wine and table grapes

Other hypernyms of Riesling include vinifera, vinifera grape, Vitis vinifera.

Riesling (noun)	common grape vine (noun)
fragrant dry or sweet white wine from the Rhine valley or a similar wine from California	common European grape cultivated in many varieties; chief source of Old World wine and table grapes
white grape grown in Europe and California