vinifera grape vs vinifera

vinifera grape and vinifera both are nouns.

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

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

vinifera grape and vinifera: common European grape cultivated in many varieties; chief source of Old World wine and table grapes

Other synonyms of vinifera grape include common grape vine, Vitis vinifera.

vinifera grape (noun)	vinifera (noun)
grape from a cultivated variety of the common grape vine of Europe	common European grape cultivated in many varieties; chief source of Old World wine and table grapes
common European grape cultivated in many varieties; chief source of Old World wine and table grapes