effect vs belief

effect and belief both are nouns.

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

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

Other hypernyms of effect include feeling, impression, notion, opinion.

effect (noun)	belief (noun)
an outward appearance	any cognitive content held as true
(of a law) having legal validity	a vague idea in which some confidence is placed
an impression (especially one that is artificial or contrived)
the central meaning or theme of a speech or literary work
a phenomenon that follows and is caused by some previous phenomenon
a symptom caused by an illness or a drug

effect (verb)	belief (verb)
produce
act so as to bring into existence