ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)
διάτασις, διέκτασις, ἀγών, ἀνάτασις, ἐντάνυσις, ἐντονία, ἔντασις, ἕλκυσμα, ἕλξις