obscenity vs ass

obscenity and ass both are nouns.

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

obscenity (noun)	ass (noun)
an obscene act	slang for sexual intercourse
the trait of behaving in an obscene manner	hardy and sure-footed animal smaller and with longer ears than the horse
an offensive or indecent word or phrase	the fleshy part of the human body that you sit on
	a pompous fool