tail end vs dirty word

tail end and dirty word both are nouns.

Word	Noun	Adjective	Verb	Adverb
tail end	Yes	No	No	No
dirty word	Yes	No	No	No

tail end (noun)	dirty word (noun)
the fleshy part of the human body that you sit on	an offensive or indecent word or phrase
any projection that resembles the tail of an animal	a word that is considered to be unmentionable
the time of the last part of something