Verdicchio vs vinifera grape

Verdicchio and vinifera grape both are nouns.

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

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

Verdicchio: a variety of white wine grape grown in Italy
vinifera grape: common European grape cultivated in many varieties; chief source of Old World wine and table grapes

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

Verdicchio (noun)	vinifera grape (noun)
a dry white Italian wine made from Verdicchio grapes	grape from a cultivated variety of the common grape vine of Europe
a variety of white wine grape grown in Italy	common European grape cultivated in many varieties; chief source of Old World wine and table grapes