Ped (foot)
Ped
Latin pes, pedis: foot.
Kabir pressed the pedal and the bicycle moved forward.
Pedal
A lever you push with your foot.
Meera pedalled her cycle all the way to school.
Pedestrian
A person walking, not riding in a vehicle.
Pedestrians should cross at the zebra crossing.
Remember: Ped = foot: a centipede has 'a hundred feet'. Caution: paediatric and pedagogy come from Greek pais, paidos (child), not feet. British spelling keeps ae: paediatric.