Pinot noir vs Pinot

Pinot noir and Pinot both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pinot noir	Yes	No	No	No
Pinot	Yes	No	No	No

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

Pinot noir: red wine grape; grown especially in California for making wines resembling those from Burgundy, France
Pinot: any of several purple or white wine grapes used especially for Burgundies and champagnes

Other hypernyms of Pinot noir include Pinot grape.

Pinot noir (noun)	Pinot (noun)
dry red California table wine made from purple Pinot grapes	any of several purple or white wine grapes used especially for Burgundies and champagnes
red wine grape; grown especially in California for making wines resembling those from Burgundy, France