*muet*, dumb, silent.
*mur*, m., wall.
*mûr*, ripe, mature.
*muraille*, f., wall.
*murmure*, m., murmuring, grumbling.
*murmurer*, to mutter, mumble.
*musique*, f., band (of musicians).
*naturel*, m., naturalness.
*naufragé*, n. m., person ship-wrecked; adj., wrecked.
*navire*, m., ship.