impure vs religion

impure is not a noun while religion is a noun.

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

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

impure (adjective)	religion (adjective)
(used of persons or behaviors) immoral or obscene
combined with extraneous elements
having a physical or moral blemish so as to make impure according to dietary or ceremonial laws