religion vs Congregational

religion is a noun but Congregational is not a noun.

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

religion (noun)	Congregational (noun)
a strong belief in a supernatural power or powers that control human destiny
an institution to express belief in a divine power

religion (adjective)	Congregational (adjective)
	of or pertaining to or characteristic of a Congregational church