ἔργοισι χρηστός, οὐ λόγοις ἔφυν μόνον → a friend in deeds, and not in words alone
P. and V. ἄπειρος, Ar. and P. ἀπέραντος, P. ἄμετρος, V. μυρίος (also Plato but rare P.).
abundant: P. and V. ἄφθονος; see abundant.