controvert vs protest

controvert is not a noun while protest is a noun.

Word	Noun	Adjective	Verb	Adverb
controvert	No	No	Yes	No
protest	Yes	No	Yes	No

As verbs, protest is a hyponym of controvert; that is, protest is a word with a more specific, narrower meaning than controvert:

Other hyponyms of controvert include blackball, negative, veto, dissent, resist.

controvert (noun)	protest (noun)
	the act of protesting; a public (often organized) manifestation of dissent
	a formal and solemn declaration of objection
	the act of making a strong public expression of disagreement and disapproval

controvert (verb)	protest (verb)
prove to be false or incorrect	utter words of protest
be resistant to	affirm or avow formally or solemnly
	express opposition through action or words