hindquarters vs dirty word

hindquarters and dirty word both are nouns.

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

hindquarters (noun)	dirty word (noun)
the part of an animal that corresponds to the human buttocks	an offensive or indecent word or phrase
the fleshy part of the human body that you sit on	a word that is considered to be unmentionable