Oklahoman rhymes with:
hohman, hohmann, homan, homann, homen, abdomen, bohman, boman, bowman, bowmen, broman, businesswomen, coman, dohman, doughman, dromon, fomon, frohman, froman, goeman, gohman, greco-roman, grohman, groman, hohman, hohmann, homan, homann, homen, koman, loehmann, lohman, lohmann, loman, lommen, lowman, moman, nonroman, oehmen, ohman, ohmann, omen, rohman, roman, romann, showman, sloman, strohman, stroman, thoman, thomann, toman, vroman, yeoman
Oklahoman sounds like:
o'callahan, ocallahan, oklahoma, oslin