obscene vs obscenity

obscene is not a noun while obscenity is a noun.

Word	Noun	Adjective	Verb	Adverb
obscene	No	Yes	No	No
obscenity	Yes	No	No	No

obscene (noun)	obscenity (noun)
	an obscene act
	the trait of behaving in an obscene manner
	an offensive or indecent word or phrase

obscene (adjective)	obscenity (adjective)
suggestive of or tending to moral looseness
designed to incite to indecency or lust
offensive to the mind