διαφώνημα
From LSJ
ἵνα οὖν μηδ' ἐν τούτῳ δῷ αὐτοῖς λαβήν (Photius, Fragments on the Epistle to the Romans 483.26) → so that he doesn't give them even here a handle (= an opportunity for refutation)
Spanish (DGE)
-ματος, τό
discrepancia, diferencia Tz.Ex.22.13, Procl.ad Hes.Op.159.