clase
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
αἵρεσις, αἷμα, βίος, γένος, γενεά, διάκοσμος, διακόσμησις, διαφορά, εἶδος, ἔθνος