Platten rhymes with:
platen, flaten, flatten, latin, laton, platen, slaton, slatten, slatton, batten, batton, bratten, bratton, caton, catton, craton, fatten, flaten, flatten, gatten, gatton, grattan, gratton, hattan, hatten, hatton, latin, laton, manhattan, matton, mchatton, patane, paton, patten, patton, platen, satin, slaton, slatten, slatton, staten, staton, statton, stratton, vanpatten
Platten sounds like:
paladin, paladino, palatine, paldon, palladino, palladium, pallidotomy, palton, pelton, piltdown, platen, platinum, platona, platoon, plowden, plutonian, plutonium, politano, pollution, poppleton, population, poulton