κρεῖττον σιωπᾶν ἐστιν ἢ λαλεῖν μάτην → it's better to keep silence than to speak without reason (Menander)
καταπατέω, μαλάσσω, μαλθάσσω, μαλάττω, καταλοάω, συμπατέω, καταστείβω