quadruped vs loin

quadruped and loin both are nouns.

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

quadruped (noun)	loin (noun)
an animal especially a mammal having four limbs specialized for walking	either side of the backbone between the hipbone and the ribs in humans as well as quadrupeds
	a cut of meat taken from the side and back of an animal between the ribs and the rump

quadruped (adjective)	loin (adjective)
having four feet