reproach vs reprimand

reproach and reprimand both are nouns.

Word	Noun	Adjective	Verb	Adverb
reproach	Yes	No	Yes	No
reprimand	Yes	No	Yes	No

As nouns, reprimand is a hypernym of reproach; that is, reprimand is a word with a broader meaning than reproach:

Other hypernyms of reproach include rebuke, reprehension, reproof, reproval.

reproach (noun)	reprimand (noun)
a mild rebuke or criticism	an act or expression of criticism and censure
disgrace or shame

reproach (verb)	reprimand (verb)
express criticism towards	rebuke formally
	censure severely or angrily