Here are 6 words starting with ped or pod:
1. Pedal (a lever used for operating a mechanism)
2. Pedestrian (a person who walks, especially in a town or city)
3. Pedometer (a device for measuring the number of steps taken)
4. Podiatrist (a specialist in the treatment of the feet)
5. Peduncle (a stalk that supports a flower or fruit)
6. Podocarp (a coniferous tree)
And here are 3 words where ped or pod can also be a suffix:
1. Bipeds (animals that walk on two legs)
2. Quadrupeds (animals that walk on four legs)
3. Multipedes (animals with many legs)