amusing vs comic

amusing is not a noun while comic is a noun.

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

As adjectives, amusing and comic are synonyms defined as:

Other synonyms of amusing include comical, funny, laughable, mirthful, risible.

amusing (noun)	comic (noun)
	a professional performer who tells jokes and performs comical acts

amusing (adjective)	comic (adjective)
arousing or provoking laughter	of or relating to or characteristic of comedy
providing enjoyment; pleasantly entertaining	arousing or provoking laughter