faith vs religious belief

faith and religious belief both are nouns.

Word	Noun	Adjective	Verb	Adverb
faith	Yes	No	No	No
religious belief	Yes	No	No	No

As nouns, faith and religious belief are synonyms defined as:

faith and religious belief: a strong belief in a supernatural power or powers that control human destiny

Other synonyms of faith include religion.

faith (noun)	religious belief (noun)
loyalty or allegiance to a cause or a person	a strong belief in a supernatural power or powers that control human destiny
a strong belief in a supernatural power or powers that control human destiny
complete confidence in a person or plan etc
an institution to express belief in a divine power