Crumple rhymes with:
rumpel, rumple, humpal, rumpel, rumple, ampal, ample, dalrymple, detemple, dimple, example, gimpel, hampel, hample, hempel, humpal, kempel, kemple, kimpel, kimple, lampl, pampel, pimple, rempel, rumpel, rumple, sample, semple, simple, stempel, stemple, strimple, tempel, temple, trample, wemple, zempel
Crumple sounds like:
carnevale, carnival, chernobyl, cranfill, crumble, crumbley