laughable vs comic

laughable is not a noun while comic is a noun.

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

As adjectives, laughable and comic are synonyms defined as:

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

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

laughable (adjective)	comic (adjective)
so unreasonable as to invite derision	of or relating to or characteristic of comedy
arousing or provoking laughter	arousing or provoking laughter