muscat vs common grape vine

muscat and common grape vine both are nouns.

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

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

muscat: any of several cultivated grapevines that produce sweet white grapes
common grape vine: common European grape cultivated in many varieties; chief source of Old World wine and table grapes

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

muscat (noun)	common grape vine (noun)
sweet aromatic grape used for raisins and wine	common European grape cultivated in many varieties; chief source of Old World wine and table grapes
wine from muscat grapes
any of several cultivated grapevines that produce sweet white grapes