posterior vs sexual practice

posterior and sexual practice both are nouns.

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

posterior (noun)	sexual practice (noun)
the fleshy part of the human body that you sit on	activities associated with sexual intercourse
a tooth situated at the back of the mouth

posterior (adjective)	sexual practice (adjective)
located at or near or behind a part or near the end of a structure
coming at a subsequent time or stage