Here are some examples of words that use the root word "cit":
* Citation: A quote or reference to a source, often in a legal or academic context.
* Excite: To make someone feel happy and enthusiastic.
* Incentive: Something that encourages someone to do something.
* Recite: To say something aloud from memory.
While the root "cit" refers to speed, the meaning of the words it appears in has evolved. It's often associated with the idea of "calling forth", "bringing to mind" or "prompting".