posterior vs hinder

posterior is a noun but hinder is not a noun.

Word	Noun	Adjective	Verb	Adverb
posterior	Yes	Yes	No	No
hinder	No	Yes	Yes	No

posterior (noun)	hinder (noun)
the fleshy part of the human body that you sit on
a tooth situated at the back of the mouth

posterior (adjective)	hinder (adjective)
located at or near or behind a part or near the end of a structure	located at or near the back of an animal
coming at a subsequent time or stage

posterior (verb)	hinder (verb)
	put at a disadvantage
	hinder or prevent the progress or accomplishment of
	be a hindrance or obstacle to