- biped: two-footed mammal
- centipede: a creature with appearance of 100 legs
- expedient: quickest, most advantageous or suitable
- expedite: to speed up or hasten
- expedition: a trip or journey
- expeditious: fast, speedy
- expeditiously: quickly, fast
- impede: to hinder, block, obstruct
- impediment: an obstacle or hinderance
- millipede: a creature with appearance of 1000 legs
- moped: low-powered motorized bicycle
- pedal: a foot operated lever, mechanism, or device.
- pedestal: the foot or base of a statue or column
- pedestrian: one who walks
- pedometer: a device that measures distance walked
- podiatrist: a foot doctor
- podiatry: medical field for the care of the feet
- podium: a platform or stand for a speaker
- quardraped: four-footed mammal
- tripod: a three-legged stand