hindquarters vs sexual practice

hindquarters and sexual practice both are nouns.

Word	Noun	Adjective	Verb	Adverb
hindquarters	Yes	No	No	No
sexual practice	Yes	No	No	No

hindquarters (noun)	sexual practice (noun)
the part of an animal that corresponds to the human buttocks	activities associated with sexual intercourse
the fleshy part of the human body that you sit on