religious doctrine vs creed

religious doctrine and creed both are nouns.

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

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

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

Other synonyms of religious doctrine include church doctrine, gospel.

religious doctrine (noun)	creed (noun)
the written body of teachings of a religious group that are generally accepted by that group	any system of principles or beliefs
	the written body of teachings of a religious group that are generally accepted by that group