Humpal rhymes with:
crumple, rumpel, rumple, ampal, ample, crumple, dalrymple, detemple, dimple, example, gimpel, hampel, hample, hempel, kempel, kemple, kimpel, kimple, lampl, pampel, pimple, rempel, rumpel, rumple, sample, semple, simple, stempel, stemple, strimple, tempel, temple, trample, wemple, zempel
Humpal sounds like:
hambley, hambly, hampel, hample, hannibal, hemophilia, hempel, hemphill, humble, humbly