Leviton rhymes with:
bitten, bitton, britain, briton, brittain, brittan, britten, britton, ditton, fitton, gettin', gritton, kitten, litten, litton, lytton, mittan, mitten, mitton, overwritten, rewritten, ryton, sittin', sitton, smitten, titone, unwritten, whiton, whitten, whitton, witten, witton, written
Leviton sounds like:
labaton, lefton, leptin, leviathan, levitan, levitation, levittown, lifetime, liftin, lifton, lilliputian, lipton, lobotomy, loftin, lofton, lopatin, lupton