Here are some examples of words using the root "cise":
* Incise: To cut into a surface.
* Precise: Marked by accuracy and exactness (originally meaning "cut off").
* Circumcise: To cut off a part of the foreskin.
* Scissors: Cutting tools.
* Excise: To cut out or remove.
The meaning of "cise" is often connected to the idea of making a clean, precise cut or division.