lecture vs reproval

lecture and reproval both are nouns.

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

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

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

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

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