Words That Rhyme With "Sullen" :
2 syllables:
alan, Allan, allen, Allyn, balan, ballon, balun, belen, billon, bolen, bollen, bowlen, boylen, bullen, calan, callen, cauline, colen, Collin, colon, cullen, cullion, dahlen, dalen, Delane, dillen, Dillon, dolen, Dylan, elan, ellen, fallen, fallin, fallon, felon, fulgent, fullen, galan, galen, gallen, gallon, gillen, golan, gullion, hallan, hallen, helen, hellen, hillen, holen, hollen, hollin, Jutland, kalen, killen, kulan, Malin, mallen, Mallon, Mellon, melon, millen, molen, mollen, mullein, mullen, mullion, Nolan, palen, Palin, paulin, phthalin, polen, pollan, pollen, pullen, quillen, quillon, rolen, rollen, Rollin, Rutland, scullion, skillen, smallen, Snellen, Spillane, Stalin, stolen, stollen, swollen, talon, tellin, tholen, tolan, tolen, umland, Unland, upland, villain, villein, Vulcan, walen, wallen, wellen, whalen, wilen, willen, woolen, woollen, yellen, yellin'
3 syllables:
avellan, avulsion, befallen, bouillon, compulsion, convulsant, convulsion, demulcent, divulgence, divulsion, ebullient, effulgent, eidolon, emulsion, evulsion, expulsion, exultant, Helvellyn, impulsion, indulgence, indulgent, Llewellyn, Lucullan, Macmillan, Magellan, Mcallen, Mcclellan, Mcmillan, Medellin, propulsion, refulgent, repulsion, resultant, revulsion, slumgullion, tarpaulin, tefillin, tephillin, vandalen, vanillin, vitellin, vitelline
4 syllables:
digitalin, gibberellin, Guatemalan, mesocolon, phenolphthalein, podophyllin, Venezuelan