article of faith vs credendum

article of faith and credendum both are nouns.

Word	Noun	Adjective	Verb	Adverb
article of faith	Yes	No	No	No
credendum	Yes	No	No	No

As nouns, article of faith and credendum are synonyms defined as:

article of faith and credendum: (Christianity) any of the sections into which a creed or other statement of doctrine is divided

article of faith (noun)	credendum (noun)
an unshakable belief in something without need for proof or evidence	(Christianity) any of the sections into which a creed or other statement of doctrine is divided
(Christianity) any of the sections into which a creed or other statement of doctrine is divided