grape vs grape vine

grape and grape vine both are nouns.

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

As nouns, grape and grape vine are synonyms defined as:

grape and grape vine: any of numerous woody vines of genus Vitis bearing clusters of edible berries

Other synonyms of grape include grapevine.

grape (noun)	grape vine (noun)
a cluster of small projectiles fired together from a cannon to produce a hail of shot	any of numerous woody vines of genus Vitis bearing clusters of edible berries
any of various juicy fruit of the genus Vitis with green or purple skins; grow in clusters
any of numerous woody vines of genus Vitis bearing clusters of edible berries