διυποπτεύω
From LSJ
ὃν οὐ τύπτει λόγος οὐδὲ ῥάβδος → if words don't get through, neither a beating will | if the carrot doesn't work, the stick will not work either | whom words do not strike, neither does the rod
English (LSJ)
A dissimulate (?), Zos.Alch.p.208 B.
Spanish (DGE)
disimular τὰ ἄλλα πάντα ... τῷ λόγῳ Zos.Alch.208.7.