ἔργοισι χρηστός, οὐ λόγοις ἔφυν μόνον → a friend in deeds, and not in words alone
P. and V. ψοφεῖν, ἐπηχεῖν (Plato but rare P.), ἠχεῖν (Plato but rare P.), κτυπεῖν (Plato but rare P. also Ar.), Ar. and V. βρέμειν (Ar. in mid.); see echo.
resound with cries: V. ἀνευφημεῖν.