Lefton rhymes with:
sefton, buffton, chieftain, clifton, crafton, crofton, grafton, lifton, lofton, roughton, sefton, tifton, trafton
Lefton sounds like:
labaton, leptin, leviathan, levitan, levitation, leviton, levittown, lifetime, liftin, lifton, lilliputian, lipton, lobotomy, loftin, lofton, lopatin, lupton