Stifle

babilla

(joint between the femur and tibia in the hind leg of various four-legged mammals, especially horses)

afogar

(to keep in, hold back, or repress (something))

asfixiarse

(to die of suffocation)

reprimir

(to keep in, hold back, or repress (something))

sofocar

(to make (an animal or person) unconscious or cause (an animal or person) death by preventing breathing; smother, suffocate)

sofocar

(to keep in, hold back, or repress (something))

suprimir

(to keep in, hold back, or repress (something))