Eastern Orthodox vs religious belief

Eastern Orthodox and religious belief both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eastern Orthodox	Yes	Yes	No	No
religious belief	Yes	No	No	No

Eastern Orthodox (noun)	religious belief (noun)
derived from the Byzantine Church and adhering to Byzantine rites	a strong belief in a supernatural power or powers that control human destiny

Eastern Orthodox (adjective)	religious belief (adjective)
of or relating to or characteristic of the Eastern Orthodox Church