sacerdotalism vs belief

sacerdotalism and belief both are nouns.

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

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

sacerdotalism: a belief that priests can act as mediators between human beings and God
belief: any cognitive content held as true

sacerdotalism (noun)	belief (noun)
a belief that priests can act as mediators between human beings and God	any cognitive content held as true
	a vague idea in which some confidence is placed