Titus 2:8

8speechλόγονsoundὑγιῆbeyond reproachἀκατάγνωστον,so thatἵναhe who isὁof theἐξcontraryἐναντίαςmay be ashamedἐντραπῇnothingμηδὲνhavingἔχωνto sayλέγεινconcerningπερὶusἡμῶνevilφαῦλον.

sound speech, uncondemnable, so that the one of the contrary should be ashamed, having nothing evil to say concerning us.