ἔργοισι χρηστός, οὐ λόγοις ἔφυν μόνον → a friend in deeds, and not in words alone
γνωτή, ἀδελφίς, ἀδελφέα, ἀδελφά, ἀδελφεά, ἀδελφεή, ἀδελφιά, ἀδευπιά, ἀδελφειή, ἀδελφή, αἶα