outweigh vs prevail

outweigh and prevail both are verbs.

Word	Noun	Adjective	Verb	Adverb
outweigh	No	No	Yes	No
prevail	No	No	Yes	No

As verbs, prevail is a hypernym of outweigh; that is, prevail is a word with a broader meaning than outweigh:

Other hypernyms of outweigh include dominate, predominate, reign, rule.

outweigh (verb)	prevail (verb)
be heavier than	use persuasion successfully
weigh more heavily	prove superior
	continue to exist
	be valid, applicable, or true
	be larger in number, quantity, power, status or importance