variance
1 difference, difference of opinion, disagreement, discord, discrepancy, dissension, dissent, divergence, inconsistency, lack of harmony, strife, variation
2 at variance at loggerheads, at odds, at sixes and sevens (informal) conflicting, in disagreement, in opposition, out of harmony, out of line
Antonyms
1 accord, agreement, congruity, correspondence, harmony, similarity, unison