Noah Webster
Incompatibility
INCOMPATIBIL'ITY, noun [from incompatible.]
1. Inconsistency; that quality or state of a thing which renders it impossible that it should subsist or be consistent with something else. There is a permanent incompatibility between truth and falsehood.
2. Irreconcilable disagreement. During the revolution in France, incompatibility of temper was deemed a sufficient cause for divorcing man and wife.