Here are some examples:
* Pedal: A lever that is pressed with the foot to operate a mechanism.
* Pedestrian: A person who travels on foot.
* Biped: An animal that walks on two feet.
* Quadruped: An animal that walks on four feet.
* Podiatrist: A doctor who specializes in the care of feet.
Let me know if you'd like more examples or have any other questions!