Berean Standard Bible (BSB)
They lie to one another; they speak with flattering lips and a double heart.
World English Bible (WEB)
Everyone lies to his neighbor. They speak with flattering lips, and with a double heart.
Strong's King James
They speak{H1696}{(H8762)} vanity{H7723} every one{H376} with his neighbour{H7453}: with flattering{H2513} lips{H8193} and with a double{H3820} heart{H3820} do they speak{H1696}{(H8762)}.
The F.O.G *
(2) Speaking idly to one another, Smooth lip, deceptive heart speaks.
The F.O.G Message *
Young's Literal Translation
Vanity they speak each with his neighbour, Lip of flattery! With heart and heart they speak.