Mastoiditis rhymes with:
arthritis, bronchitis, detritus, encephalitis, fleitas, gastritis, hepatitis, laryngitis, meningitis, osteoarthritis, situs, titus, unitas, zemaitis
Mastoiditis sounds like:
m-codes, machetes, macoutes, maestas, maggots, mainstays, majestic, majesty's, makegoods, manischewitz, maoists, mascots, masochistic, massachusetts, massachusetts', massachussetts, 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