Fomon rhymes with:
abdomen, bohman, boman, bowman, bowmen, broman, businesswomen, coman, dohman, doughman, dromon, 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, oklahoman, omen, rohman, roman, romann, showman, sloman, strohman, stroman, thoman, thomann, toman, vroman, yeoman
Fomon sounds like:
fabian, fabiani, fabiano, fabien, fahmy, fain, fama, fame, famine, fan, fane, fann, fannie, fannin, fannon, fanny, faubion, fauna, fawn, fayanne, fayme, fayne, feehan, feeney, feeny, fehn, fein, feinman, fema, femia, femina, feminine, femme, fen, fenian, fenn, fennema, fenney, fenno, fenway, feyen, feynman, fianna, fiene, fima, fin, fina, finan, fine, fineman, fini, finian, finn, finnan, finne, finney, finnie, fino, fiona, fm, foam, foamy, fone, foppiano, fume, fumi, fumio, fun, funny