γνοίης ὅσσον ὄνων κρέσσονες ἡμίονοι → you know how much better are donkeys from mules
-ας, ἡsacrificio propiciatorio ἀρ[εσ] τηρίαν θῦσαι IG 22.1672.223 (Eleusis IV a.C.).