hindquarters vs vulgarism

hindquarters and vulgarism both are nouns.

Word	Noun	Adjective	Verb	Adverb
hindquarters	Yes	No	No	No
vulgarism	Yes	No	No	No

hindquarters (noun)	vulgarism (noun)
the part of an animal that corresponds to the human buttocks	the quality of lacking taste and refinement
the fleshy part of the human body that you sit on	an offensive or indecent word or phrase