Firmin rhymes with:
fermin, ermin, fermin, hermine, jermyn, termine, vermin, abermin, aldermen, assemblymen, benjimen, brahmin, centromin, chairmen, clergymen, comin', congressmen, congresswomen, countrymen, cremin, crewmen, domin, elamin, ermin, examine, fermin, fishermen, fremin, freshmen, frogmen, gentlemen, guardsmen, herdsmen, hermine, jasmin, jazmin, jermyn, jessamine, jessamyn, lobstermen, longshoremen, merchantmen, militiamen, newsmen, norsemen, petromin, policemen, pondimin, salesmen, shimmin, solemin, spokesmen, sportsmen, statesmen, superwomen, termine, tribesmen, vermin, westmin, wilhelmine, workmen, yamin, yasmin, yasmine, zemin
Firmin sounds like:
faberman, fabron, fahrney, fairman, faraone, farina, farino, farm, farman, farnam, farnan, farney, farnham, farnum, faron, farone, farran, farren, farron, fearn, fearnow, fearon, fehrman, ferm, ferman, fermi, fermin, fermium, fern, fernao, fernau, ferran, ferren, ferrin, ferrini, ferron, ferrone, ferryman, feuerman, fibrin, fierman, fiorina, fiorini, fiorino, firearm, fireman, firemen, firino, firm, firma, firman, foramen, foran, forearm, foreman, foremen, forewarn, forewoman, forewomen, forhan, forin, form, forma, forman, forney, forni, forum, fourman, frahm, fraim, frain, fraine, fram, frame, fran, frana, frane, franey, frannie, franny, frano, franyo, fraum, frayn, frayne, frean, freeman, freemen, freemon, freen, freeney, freeny, freiman, frein, fremin, freni, freon, frewen, frewin, freyman, freyne, frieman, friona, frohman, frohn, from, froman, frome, fromm, fromme, frown, fruin, frum, fryman, fuhrman, fuhrmann, furini, furino, furman, furney, furno