persuasion vs belief

persuasion and belief both are nouns.

Word	Noun	Adjective	Verb	Adverb
persuasion	Yes	No	No	No
belief	Yes	No	No	No

As nouns, belief is a hypernym of persuasion; that is, belief is a word with a broader meaning than persuasion:

persuasion: a personal belief or judgment that is not founded on proof or certainty
belief: any cognitive content held as true

persuasion (noun)	belief (noun)
a personal belief or judgment that is not founded on proof or certainty	any cognitive content held as true
the act of persuading (or attempting to persuade); communication intended to induce belief or action	a vague idea in which some confidence is placed