Caravaggio, Saint Jerome Writing (c. 1605), Galleria Borghese. Public domain.
2 verses in the King James Version. Word study for “treacherously” →
They have dealt treacherously against the LORD : for they have begotten strange children: now shall a month devour them with their portions.
But they like men have transgressed the covenant: there have they dealt treacherously against me.