aesthetics vs esthetics

aesthetics and esthetics both are nouns.

Word	Noun	Adjective	Verb	Adverb
aesthetics	Yes	No	No	No
esthetics	Yes	No	No	No

As nouns, aesthetics and esthetics are synonyms defined as:

aesthetics and esthetics: (art) the branch of philosophy dealing with beauty and taste (emphasizing the evaluative criteria that are applied to art)

aesthetics (noun)	esthetics (noun)
(art) the branch of philosophy dealing with beauty and taste (emphasizing the evaluative criteria that are applied to art)	(art) the branch of philosophy dealing with beauty and taste (emphasizing the evaluative criteria that are applied to art)