quadruped vs hindquarters

quadruped and hindquarters both are nouns.

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

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

quadruped (adjective)	hindquarters (adjective)
having four feet