'Treacherously' in the Bible

“Therefore, son of man, speak to the house of Israel and say to them, ‘Thus says the Lord God, “Yet in this your fathers have blasphemed Me by acting treacherously against Me.

The nations will know that the house of Israel went into exile for their iniquity because they acted treacherously against Me, and I hid My face from them; so I gave them into the hand of their adversaries, and all of them fell by the sword.