Common words:
* Access: The ability to approach, enter, or use.
* Excess: More than what is needed or usual.
* Concession: Something given up or yielded to another.
* Intercession: The act of pleading on behalf of another.
* Succession: A series of people or things following one after another.
* Process: A series of actions taken to achieve a particular end.
* Recess: A temporary pause or break.
* Success: The accomplishment of an aim or purpose.
Less common words:
* Cessation: The act or fact of ending something.
* Cesspool: A pit or underground chamber for the collection of sewage.
* Cesspit: A cesspool (archaic).
* Cessant: Ending or ceasing.
These are just some examples. The root "cess" appears in a variety of words, and its meaning can be inferred based on the context and the other parts of the word.