Protestant vs Mormon

Protestant and Mormon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Protestant	Yes	Yes	No	No
Mormon	Yes	Yes	No	No

As nouns, Mormon is a hyponym of Protestant; that is, Mormon is a word with a more specific, narrower meaning than Protestant:

Protestant (noun)	Mormon (noun)
the Protestant churches and denominations collectively	the ancient prophet whose writings were revealed to Joseph Smith who founded the Church of Jesus Christ of Latter-Day Saints
an adherent of Protestantism	a member of the Church of Jesus Christ of Latter-Day Saints

Protestant (adjective)	Mormon (adjective)
of or relating to Protestants or Protestantism	of or pertaining to or characteristic of the Mormon Church