fall from grace vs misbehave

fall from grace and misbehave both are verbs.

Word	Noun	Adjective	Verb	Adverb
fall from grace	No	No	Yes	No
misbehave	No	No	Yes	No

As verbs, misbehave is a hypernym of fall from grace; that is, misbehave is a word with a broader meaning than fall from grace:

fall from grace: revert back to bad behavior after a period of good behavior
misbehave: behave badly

Other hypernyms of fall from grace include misconduct, misdemean.

fall from grace (verb)	misbehave (verb)
revert back to bad behavior after a period of good behavior	behave badly