conviction vs article of faith

conviction and article of faith both are nouns.

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

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

conviction and article of faith: an unshakable belief in something without need for proof or evidence

Other synonyms of conviction include strong belief.

conviction (noun)	article of faith (noun)
(criminal law) a final judgment of guilty in a criminal case and the punishment that is imposed	an unshakable belief in something without need for proof or evidence
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