So bul, for the flounder; nul, for no, in law; sol, for sou or sun; and sal, for salt, in chemistry, have but the single l. OBS.Because sal, salis, in Latin, doubles not the l, the chemists write salify, salifiable, salification, saliferous, saline, salinous, saliniform, salifying, &c., with single l, contrary to Rule 3d.