Variance
Part of speech: noun
Definition: The act of varying or the state of being variable A difference between what is expected and what happens The state of differing or being in conflict A discrepancy, especially between two legal documents The second central moment in probability
Example sentence: It is a debt we owe to the purity of our religion to show that it is at variance with that law which warrants slavery.
Divergence
Part of speech: noun
Definition: The degree to which two or more things diverge.the operator which maps a function F=(F1, ... Fn) from a n-dimensional vector space to itself to the number \sum_{i=1}^n \frac{\partial F_i}{\partial x_i}
Example sentence: I don't believe we're seeing the beginning of a divergence. We have seen a partial divergence on this case.