Verdicchio vs vinifera

Verdicchio and vinifera both are nouns.

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

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

Verdicchio: a variety of white wine grape grown in Italy
vinifera: 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 grape, Vitis vinifera.

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