varietal wine vs varietal

varietal wine and varietal both are nouns.

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

As nouns, varietal wine and varietal are synonyms defined as:

varietal wine and varietal: a wine made principally from one grape and carrying the name of that grape

varietal wine (noun)	varietal (noun)
a wine made principally from one grape and carrying the name of that grape	a wine made principally from one grape and carrying the name of that grape