Pinot vs vinifera grape

Pinot and vinifera grape both are nouns.

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

As nouns, vinifera grape is a hypernym of Pinot; that is, vinifera grape is a word with a broader meaning than Pinot:

Pinot: any of several purple or white wine grapes used especially for Burgundies and champagnes
vinifera grape: common European grape cultivated in many varieties; chief source of Old World wine and table grapes

Other hypernyms of Pinot include common grape vine, vinifera, Vitis vinifera.

Pinot (noun)	vinifera grape (noun)
any of several purple or white wine grapes used especially for Burgundies and champagnes	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