Root #1: ped

a creature with two feet

• centipede

• biped

• millipede

something that stands in one’s way; an obstacle

• pedestrian

• argument

• impediment

a person who walks across the street on foot

• impediment

• pedestrian

• tripod

a foot treatment that could include soaking the feet and polishing the toenails 

• quadruped

• manicure

• pedicure

a four- footed creature 

• quadruped

• biped

• centipede

a three- footed stand often used to balance a camera

• quadruped

• biped

• tripod

The steps were a(n) ____________ to the girl on crutches trying to get to class.

• impediment

• pedestrian

• pedal

Mammals such as cattle, cats, and reptiles, like lizards are

• biped

• tripedal

• quadruped

Humans, kangaroos and primates are

• pedal

• bipedal

• quadrupedal

Vehicles must yield the right-of-way to ____________ at plainly marked crosswalks.

• peddlers

• centipedes

• pedestrians