dissent vs clash

dissent and clash both are nouns.

Word	Noun	Adjective	Verb	Adverb
dissent	Yes	No	Yes	No
clash	Yes	No	Yes	No

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

Other hyponyms of dissent include dissent, contradict, contravene, negate.

dissent (noun)	clash (noun)
the act of protesting; a public (often organized) manifestation of dissent	a minor short-term fight
(law) the difference of one judge's opinion from that of the majority	a loud resonant repeating noise
a difference of opinion	a state of conflict between persons
	a state of conflict between colors

dissent (verb)	clash (verb)
withhold assent	disagree violently
be of different opinions	crash together with violent impact
express opposition through action or words	be incompatible; be or come into conflict