comical vs mirthful

comical and mirthful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
comical	No	Yes	No	No
mirthful	No	Yes	No	No

As adjectives, comical and mirthful are synonyms defined as:

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

comical (adjective)	mirthful (adjective)
arousing or provoking laughter	arousing or provoking laughter
	full of or showing high-spirited merriment