esthetic vs pleasant

esthetic is a noun but pleasant is not a noun.

Word	Noun	Adjective	Verb	Adverb
esthetic	Yes	Yes	No	No
pleasant	No	Yes	No	No

esthetic (noun)	pleasant (noun)
(philosophy) a philosophical theory as to what is beautiful

esthetic (adjective)	pleasant (adjective)
concerning or characterized by an appreciation of beauty or good taste	affording pleasure; being in harmony with your taste or likings
relating to or dealing with the subject of aesthetics	(of persons) having pleasing manners or behavior
aesthetically pleasing