complement
something that completes another thing
Roots
- com-: with, together, complete, or intensified
- plen / plet: fill, full, complete
Other words with the plen / plet root
- complementary: completing or fitting well with something
- complete: finished; lacking nothing
- completion: the act or state of finishing
- compliant: willing to obey or go along
- deplete: to use up or empty out
- depletion: reduction by using up
- plenary: complete or fully attended
A complement completes: it fills the missing shape beside something else.
The chart was a useful complement to the dense paragraph.