ἔργοισι χρηστός, οὐ λόγοις ἔφυν μόνον → a friend in deeds, and not in words alone
ἀποσκνιφόω, ἀμαυρόω, προσκοτόω, ἐπισκοτέω, ἐξαμαυρόω, ἀποσκοτόω, ἐκτυφλόω, ἀντισκοτέω, ἀποκρύπτω