comic vs buffoon

comic and buffoon both are nouns.

Word	Noun	Adjective	Verb	Adverb
comic	Yes	Yes	No	No
buffoon	Yes	No	No	No

As nouns, buffoon is a hyponym of comic; that is, buffoon is a word with a more specific, narrower meaning than comic:

comic (noun)	buffoon (noun)
a professional performer who tells jokes and performs comical acts	a person who amuses others by ridiculous behavior
	a rude or vulgar fool

comic (adjective)	buffoon (adjective)
of or relating to or characteristic of comedy
arousing or provoking laughter