Matrices rhymes with:
beatrice's, beatrice's, boris's, ferriss, harris's, harrises, morris's, morriss, paris's, aldus's, allegis's, angeles's, annapolis's, atlantis's, auspices, beatrice's, bodices, boris's, burriss, business's, candice's, dukakis's, dukakises, ellis's, elvis's, ferriss, harris's, harrises, indianapolis's, jarvis's, justice's, justices', lewis's, louis's, minneapolis's, morris's, morriss, paris's, penises, prejudices, service's, services', telesis's, venice's, willis's
Matrices sounds like:
madaras, madaris, madras, madres, madruga, manders, mandracchia, mandrake, mandresh, matarazzo, matarese, mathers, matra's, matriarch, matriarchy, matrice, matrix, matrix's, matrixes, matter's, matterease, matters, mattress, mattress's, mattresses, matures, meaders, meadors, meanders, medarex, medaris, medders, medearis, medeiros, mederos, mediators, meinders, mentor's, mentors, metathorax, meteoric, meteors, meters, metres, metric, metrick, metrics, metro's, miniatures, miniaturize, modarressi, modrak, monitors, monterosso, montrose, montross, montrouis, moteurs, mother's, mothers, mothers', motor's, motorize, motors, motors', mudrick, mutters