The 2 major types of knee or femoral-tibial angular deformities are genu varum (bowlegs) and genu valgum (knock-knees). Untreated, both can cause osteoarthritis of the knee in the adulthood. More info here : https://www.msdmanuals.com/professional/pediatrics/congenital-craniofacial-and-musculoskeletal-abnormalities/genu-varum-bowlegs-and-genu-valgum-knock-knees
Idk how about English but in Latin there is genu varus and valgus. EDIT: Ok, I think I understood š It is valgus, but you can help yourself by say valgum and varum