clawfoot,
pes cavus a deformity of the foot characterized by an abnormally high arch and hyperextension of the toes which gives the foot the appearance of a claw
cleft foot a deformity in which the space between the third and fourth toes extends up into the foot
clubfoot,
talipes congenital deformity of the foot usually marked by a curled shape or twisted position of the ankle and heel and toes