human knee vs articulatio genus

human knee and articulatio genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
human knee	Yes	No	No	No
articulatio genus	Yes	No	No	No

As nouns, human knee and articulatio genus are synonyms defined as:

human knee and articulatio genus: hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella

Other synonyms of human knee include genu, knee, knee joint.

human knee (noun)	articulatio genus (noun)
hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella	hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella