Bettor rhymes with:
better, better, debtor, detter, etter, fetter, fretter, geter, getter, jetter, ketter, letter, metter, mettur, netter, petr, petre, petter, pipetter, retter, schetter, setter, shetter, stetter, sweater, tretter, tschetter, vetere, vetter, wetter, yetter
Bettor sounds like:
bader, badour, badura, bather, bator, batra, batter, batterer, battery, bauder, bavadra, baytree, beater, beaudreau, beaudry, bedore, beefeater, beiter, betar, betray, better, bidder, bitar, biter, bither, bitter, boeder, botero, bother, bottari, boudoir, boudreau, bowater, boyter, buddier, buder, budreau, budrow, bueter, butare, butera, butter, buttery, buttrey, buttry, bywater