esthete vs connoisseur

esthete and connoisseur both are nouns.

Word	Noun	Adjective	Verb	Adverb
esthete	Yes	No	No	No
connoisseur	Yes	No	No	No

As nouns, connoisseur is a hypernym of esthete; that is, connoisseur is a word with a broader meaning than esthete:

esthete: one who professes great sensitivity to the beauty of art and nature
connoisseur: an expert able to appreciate a field; especially in the fine arts

Other hypernyms of esthete include cognoscente.

esthete (noun)	connoisseur (noun)
one who professes great sensitivity to the beauty of art and nature	an expert able to appreciate a field; especially in the fine arts