Cycl
To use something again.
Recycle
Orbit
To avoid, go around or bypass.
Circumvent
A curved line that is the same distance from the center all the way around.
Circle
A violent rotating windstorm.
Cyclone
Continuous moving or lowing in a circle or through a circuit.
Circulation
A mythological giant having one round eye in the middle of the forehead.
Cyclops.
Having the form of a circle.
Circular
Encircle
A circular journey beginning and ending at the same place.
Circuit