dirty word vs ass

dirty word and ass both are nouns.

Word	Noun	Adjective	Verb	Adverb
dirty word	Yes	No	No	No
ass	Yes	No	No	No

dirty word (noun)	ass (noun)
an offensive or indecent word or phrase	slang for sexual intercourse
a word that is considered to be unmentionable	hardy and sure-footed animal smaller and with longer ears than the horse
	the fleshy part of the human body that you sit on
	a pompous fool