prevail vs prevalence

prevail is not a noun while prevalence is a noun.

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

prevail (noun)	prevalence (noun)
	the quality of prevailing generally; being widespread
	a superiority in numbers or amount
	(epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population

prevail (verb)	prevalence (verb)
use persuasion successfully
prove superior
continue to exist
be valid, applicable, or true
be larger in number, quantity, power, status or importance