Discrepance, Discrepancy, n.; pl. -ances, -ancies.
Etymology: [L. disrepantia: cf. OF. discrepance. See Discrepant.]
The state or quality of being discrepant; disagreement; variance; discordance; dissimilarity; contrariety. There hath been ever a discrepance of vesture of youth and age, men and women. Sir T. Elyot. There is no real discrepancy between these two genealogies. G. S. Faber.
Shades of meaning
Fernald has no entry of its own for discrepancy; he lists it under difference.
Where he writes about it:
There is a discrepancy in accounts that fail to balance. — from difference