gony-, gon-

(Greek: knee)

gonarthritis
Inflammation of the knee joint.
gonarthron (s) (noun), gonarthrons (pl)
A knee joint or joints: Many people have painful gonarthrons that make it very difficult to stand or to walk around because their knees hurt too much.
gonarthrotomy (s) (noun), gonarthrotomies (pl)
A cut or slit performed by a surgeon on the knee: The orthopedic surgeon, Dr. Jones, and assistant performed the gonarthrotomy by making an incision into Hugo's knee.
gonitis
gonocampsis
gonybatia
gonycampus
gonyoncus
Tumor of the knee.