religious sect vs faith

religious sect and faith both are nouns.

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

As nouns, faith is a hypernym of religious sect; that is, faith is a word with a broader meaning than religious sect:

Other hypernyms of religious sect include organized religion, religion.

religious sect (noun)	faith (noun)
a subdivision of a larger religious group	loyalty or allegiance to a cause or a person
	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