Fannin rhymes with:
branin, chanin, clanin, antonin, behunin, benin, bonin, bonnin, bradykinin, branin, canin, chanin, chernin, clanin, clendenin, cronin, dennin, dobrynin, dornan, dornin, dubinin, durnin, henin, jenin, junine, kunin, lignin, magnin, melatonin, monnin, pankonin, ronin, runnin', seratonin, serotonin, simonin, tinnin, wolanin
Fannin sounds like:
fabian, fabiani, fabiano, fabien, fahmy, fain, fama, fame, famine, fan, fane, fann, fannie, 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, fomon, fone, foppiano, fume, fumi, fumio, fun, funny