Words That Rhyme With "Extremum" :
2 syllables:
beakman, bedeman, beeman, cheeseman, daemon, deman, demon, gleeman, heathman, heman, imam, Keenan, leachman, leaman, leaseman, leeman, Lehman, leman, liegeman, mnemon, peteman, seaman, seamen, seedman, semen, sheepman, steedman, steelman, sweatman, sweetman, tieman, weedman, wheelman, Zeeman, Zeman
3 syllables:
eudemon, Palaemon, penstemon, pentstemon, policeman