article of faith vs dogma

article of faith and dogma both are nouns.

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

As nouns, dogma is a hypernym of article of faith; that is, dogma is a word with a broader meaning than article of faith:

article of faith: (Christianity) any of the sections into which a creed or other statement of doctrine is divided
dogma: a religious doctrine that is proclaimed as true without proof

Other hypernyms of article of faith include tenet.

article of faith (noun)	dogma (noun)
an unshakable belief in something without need for proof or evidence	a doctrine or code of beliefs accepted as authoritative
(Christianity) any of the sections into which a creed or other statement of doctrine is divided	a religious doctrine that is proclaimed as true without proof