reproval vs lecture

reproval and lecture both are nouns.

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

As nouns, lecture is a hyponym of reproval; that is, lecture is a word with a more specific, narrower meaning than reproval:

reproval (noun)	lecture (noun)
an act or expression of criticism and censure	teaching by giving a discourse on some subject (typically to a class)
	a speech that is open to the public
	a lengthy rebuke

reproval (verb)	lecture (verb)
	censure severely or angrily
	deliver a lecture or talk