varietal vs vino

varietal and vino both are nouns.

Word	Noun	Adjective	Verb	Adverb
varietal	Yes	No	No	No
vino	Yes	No	No	No

As nouns, vino is a hypernym of varietal; that is, vino is a word with a broader meaning than varietal:

varietal: a wine made principally from one grape and carrying the name of that grape
vino: fermented juice (of grapes especially)

Other hypernyms of varietal include wine.

varietal (noun)	vino (noun)
a wine made principally from one grape and carrying the name of that grape	fermented juice (of grapes especially)