OT-PROPHET.filter - kjv stiff:

kjv@Jeremiah:17:23 @ But they obeyed not, neither inclined their ear, but made their neck stiff, that they might not hear, nor receive instruction.

kjv@Ezekiel:2:4 @ For they are impudent children and stiffhearted. I do send thee unto them; and thou shalt say unto them, Thus saith the Lord GOD.