frivol vs acquit

frivol and acquit both are verbs.

Word	Noun	Adjective	Verb	Adverb
frivol	No	No	Yes	No
acquit	No	No	Yes	No

As verbs, acquit is a hypernym of frivol; that is, acquit is a word with a broader meaning than frivol:

frivol: act frivolously
acquit: behave in a certain manner; show a certain behavior; conduct or comport oneself

Other hypernyms of frivol include act, bear, behave, carry, comport, conduct, deport, do.

frivol (verb)	acquit (verb)
act frivolously	behave in a certain manner; show a certain behavior; conduct or comport oneself
	pronounce not guilty of criminal charges