knee vs leg

knee and leg both are nouns.

Word	Noun	Adjective	Verb	Adverb
knee	Yes	No	No	No
leg	Yes	No	No	No

knee (noun)	leg (noun)
joint between the femur and tibia in a quadruped; corresponds to the human knee	a section or portion of a journey or course
the part of a trouser leg that provides the cloth covering for the knee	(nautical) the distance traveled by a sailing vessel on a single tack
hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella	a cloth covering consisting of the part of a pair of trousers that covers a person's leg
	one of the supports for a piece of furniture
	a prosthesis that replaces a missing leg
	a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle
	a structure in animals that is similar to a human leg and used for locomotion
	the limb of an animal used for food
	a part of a forked or branching shape