marc, marcks, mark, mark's, marke, marked, marks, marque, marques, marx

arco, arko, barco, barko, barkow, darco, maczko, mako, marchi, marcie, marcos, marcos', margo, margot, markee, marker, markey, markie, markka, markos, marky, marlo, marlow, marmo, maro, marro, marso, marzo, moorco, morrow, moskow, narco, varco, marco, marko, markow

marchio, mario