γνοίης ὅσσον ὄνων κρέσσονες ἡμίονοι → you know how much better are donkeys from mules
P. and V. φθονεῖν (gen. of things dat. of pers.), V. μεγαίρειν (gen. of thing, dat. of pers.), P. βασκαίνειν (dat. of pers.).
envy: P. and V. ζηλοῦν (acc. of pers., gen. of thing), P. ζηλοτυπεῖν (acc. of pers.).