religious doctrine vs church doctrine

religious doctrine and church doctrine both are nouns.

Word	Noun	Adjective	Verb	Adverb
religious doctrine	Yes	No	No	No
church doctrine	Yes	No	No	No

As nouns, religious doctrine and church doctrine are synonyms defined as:

religious doctrine and church doctrine: the written body of teachings of a religious group that are generally accepted by that group

Other synonyms of religious doctrine include creed, gospel.

religious doctrine (noun)	church doctrine (noun)
the written body of teachings of a religious group that are generally accepted by that group	the written body of teachings of a religious group that are generally accepted by that group