protest vs oppose

protest is a noun but oppose is not a noun.

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

As verbs, oppose is a hypernym of protest; that is, oppose is a word with a broader meaning than protest:

Other hypernyms of protest include contradict, controvert.

protest (noun)	oppose (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

protest (verb)	oppose (verb)
utter words of protest	be resistant to
affirm or avow formally or solemnly	be against; express opposition to
express opposition through action or words	set into opposition or rivalry
	fight against or resist strongly
	act against or in opposition to
	contrast with equal weight or force