prevail vs overarch

prevail and overarch both are verbs.

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

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

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

prevail (verb)	overarch (verb)
use persuasion successfully	form an arch over
prove superior	be central or dominant
continue to exist
be valid, applicable, or true
be larger in number, quantity, power, status or importance