prevail vs outweigh

prevail and outweigh both are verbs.

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

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

Other hyponyms of prevail include override, overarch, outbalance, overbalance, preponderate.

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