Reference for Psalms 78:36

וַיְפַתּ֥וּהוּ בְּפִיהֶ֑ם וּ֝בִלְשׁוֹנָ֗ם יְכַזְּבוּ־לֽוֹ׃

But they beguiled Him with their mouth, And lied unto Him with their tongue.

ספר השרשים