(1):

(n.) Difference that produce dispute or controversy; disagreement; dissension; discord; dispute; quarrel.

(2):

(n.) A disagreement or difference between two parts of the same legal proceeding, which, to be effectual, ought to agree, - as between the writ and the declaration, or between the allegation and the proof.

(3):

(n.) The quality or state of being variant; change of condition; variation.