religion vs Protestant

religion and Protestant both are nouns.

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

religion (noun)	Protestant (noun)
a strong belief in a supernatural power or powers that control human destiny	the Protestant churches and denominations collectively
an institution to express belief in a divine power	an adherent of Protestantism

religion (adjective)	Protestant (adjective)
	of or relating to Protestants or Protestantism