*fou, fol, -le*, insane.
*fou*, m., fool.
*foudroyant*, terrible, withering.
*fouet*, m., whip. faire claquer un ——, to crack a whip; donner le —— à, to whip.
*fouiller*, search, rummage. —— dans, to examine.
*foule*, f., crowd, mob.
*four*, m., oven. le —— chauffe pour moi, my turn is coming.
*fourbe*, f., imposture.
*fourbir*, to polish up.
*fourche*, f., fork, forked stick.