metsach (Hebrew #4696)
the forehead (as open and prominent)
KJV usage: brow, forehead, + impudent.
Pronounce: may'-tsakh
Origin: from an unused root meaning to be clear, i.e. conspicuous
chazaq (Hebrew #2389)
strong (usu. in a bad sense, hard, bold, violent)
KJV usage: harder, hottest, + impudent, loud, mighty, sore, stiff(-hearted), strong(-er).
Pronounce: khaw-zawk'