λεπρόομαι
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 become leprous, LXX 4 Ki.5.1, 27, PHolm.3.16.
Greek (Liddell-Scott)
λεπρόομαι: παθ., γίνομαι λεπρός, ἐν τῷ παθ. πρκμ., Ἑβδ. (Β΄ Βασιλ. Ε΄, 1, 27).