monition vs reproval

monition and reproval both are nouns.

Word	Noun	Adjective	Verb	Adverb
monition	Yes	No	No	No
reproval	Yes	No	No	No

As nouns, reproval is a hypernym of monition; that is, reproval is a word with a broader meaning than monition:

Other hypernyms of monition include rebuke, reprehension, reprimand, reproof.

monition (noun)	reproval (noun)
a firm rebuke	an act or expression of criticism and censure
cautionary advice about something imminent (especially imminent danger or other unpleasantness)
a summons issued after the filing of a libel or claim directing all parties concerned to show cause why the judgment asked for should not be granted