M-codes rhymes with:
c-codes, code's, codes, decodes, bodes, busloads, c-codes, code's, codes, corrodes, decodes, erodes, explodes, hodes, implodes, loads, lodes, modes, nodes, odes, reloads, rhoades, rhoads, rhodes, road's, roades, roads, rodes, toads, unloads
M-codes sounds like:
machetes, macoutes, maestas, maggots, mainstays, majestic, majesty's, makegoods, manischewitz, maoists, mascots, masochistic, massachusetts, massachusetts', massachussetts, mastoiditis, masts, mazaitis, mazda's, mcdade's, mcdyess, mckids, mcquethy's, mctague, mctighe, mctigue, megaquest's, megawatts, meningitis, mestas, mestek, mestizo, minnesota's, misdeeds, misguides, misjudge, misjudges, miskitos, misquotes, misstates, mistake, mistakes, mistic, mistook, mists, mkhatshwa, mogadishu, mogadishu's, monastic, mongosutu's, moscowitz, moskowitz, mosquitoes, mosquitos, mostek, moustache, mushtaq, mustache, mustaches, mustachio, mystic, mystics, mystique