Christian vs religion

Christian and religion both are nouns.

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

Christian (noun)	religion (noun)
a religious person who believes Jesus is the Christ and who is a member of a Christian denomination	a strong belief in a supernatural power or powers that control human destiny
	an institution to express belief in a divine power

Christian (adjective)	religion (adjective)
relating to or characteristic of Christianity