Here are some examples of words using this prefix:
* Except: To exclude or leave out.
* Accept: To receive or agree to something.
* Intercept: To stop or seize something before it reaches its destination.
* Conceptu*al: Relating to ideas or concepts.
While "ex" is the most common, there are a few other prefixes that can be used with "cept":
* Inter (as in intercept)
* Pre (as in precept)
* Con (as in concept)
These prefixes change the meaning of the word, but "ex" is the most frequent and versatile.