hindquarters vs quadruped

hindquarters and quadruped both are nouns.

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

hindquarters (noun)	quadruped (noun)
the part of an animal that corresponds to the human buttocks	an animal especially a mammal having four limbs specialized for walking
the fleshy part of the human body that you sit on

hindquarters (adjective)	quadruped (adjective)
	having four feet