rotten vs obscenity

rotten is not a noun while obscenity is a noun.

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

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

rotten (adjective)	obscenity (adjective)
having decayed or disintegrated; usually implies foulness
damaged by decay; hence unsound and useless
very bad