predominate vs prevail

predominate is an adjective but prevail is not an adjective.

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

As verbs, predominate and prevail are synonyms defined as:

predominate and prevail: be larger in number, quantity, power, status or importance

Other synonyms of predominate include dominate, reign, rule.

predominate (adjective)	prevail (adjective)
having superior power and influence

predominate (verb)	prevail (verb)
be larger in number, quantity, power, status or importance	use persuasion successfully
appear very large or occupy a commanding position	prove superior
	continue to exist
	be valid, applicable, or true
	be larger in number, quantity, power, status or importance