reproval vs criticism

reproval and criticism both are nouns.

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

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

Other hypernyms of reproval include unfavorable judgment.

reproval (noun)	criticism (noun)
an act or expression of criticism and censure	a serious examination and judgment of something
	disapproval expressed by pointing out faults or shortcomings
	a written evaluation of a work of literature