* -ence: This ending is often used to form nouns from verbs, indicating a state, quality, or action. For example:
* difference: The state of being different.
* presence: The state of being present.
* absence: The state of being absent.
* -ience: This ending is also often used to form nouns from verbs, but specifically those related to experiences or perceptions. For example:
* patience: The quality of being patient.
* obedience: The state of being obedient.
* violence: The act or quality of being violent.
It's important to note that these are just common uses, and there are always exceptions to the rules. The meaning of any prefix can be affected by the word it's attached to.