The Collaborative International Dictionary of English v.0.48:
Discrepance \Dis*crep"ance\ (?; 277), Discrepancy
\Dis*crep"an*cy\, n.; pl. -ances, -ancies. [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.
There is no real discrepancy between these two
genealogies. --G. S. Faber.