Plateau rhymes with:
chateau, bestow, buteau, chateau, chateaux, cousteau, croteau, crotteau, ex-voto, facteau, fauteux, fecteau, gateau, hurteau, lettau, stow, stowe, toe, tow, towe
Plateau sounds like:
palate, paled, palette, pallet, pallett, pallid, palo-alto, paoletti, pauletta, paulette, paulita, payload, peeled, peladeau, pellet, pelleted, pellett, pelot, pelt, pelted, pelto, peopled, philida, piebald, pilat, pilato, piled, pilot, piloted, pilotte, plaid, plait, plaited, plata, plate, plateaued, plated, plath, platitude, plato, platt, platte, platy, plaudit, plaut, played, plead, pleaded, pleat, pled, pleiad, plett, plied, plitt, plod, plodded, plot, plott, plotted, plowed, plude, pluta, pluth, pluto, plywood, pohlad, poletti, polite, politi, polito, politte, polity, polled, pollet, pollett, pollitt, pollute, polluted, pooled, populate, populated, pouliot, pulido, pulled, pullout, pulte