black·ing 
(blăkĭng)
(blăkĭng)n.
1. See lampblack.
2. A preparation, such as a shoe or stove polish, that is used to impart a black color.
- controller
- controllership
- controlling interest
- control rocket
- control stick
- control surface
- control system
- control tower
- controversial
- controversialist
- controversiality
- controversially
- controversy
- controvert
- controvertible
- contumacious
- contumaciously
- contumaciousness
- contumacy
- contumelious
- contumeliously
- contumely
- contuse
- contusion
- conundrum