tail end vs obscenity

tail end and obscenity both are nouns.

Word	Noun	Adjective	Verb	Adverb
tail end	Yes	No	No	No
obscenity	Yes	No	No	No

tail end (noun)	obscenity (noun)
the fleshy part of the human body that you sit on	an obscene act
any projection that resembles the tail of an animal	the trait of behaving in an obscene manner
the time of the last part of something	an offensive or indecent word or phrase