Ginglymoid joint and Genu

Ginglymoid joint noun - A freely moving joint in which the bones are so articulated as to allow extensive movement in one plane.

Genu and ginglymoid joint are semantically related. In some cases you can replace term "Genu" with "Ginglymoid joint", this terms are similar.

Genu noun - Hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella.

Ginglymoid joint and genu are semantically related. You can use "Ginglymoid joint" instead a noun "Genu".