Words That Rhyme With "Humulin" :
2 syllables:
Allyn, bolen, bowlen, bullen, cauline, colen, colin, Collin, colon, cooling, dolen, drooling, dueling, fallin, feelin', fooling, fullen, golan, gruelling, holen, hollin, kaolin, kulan, Malin, molen, mollen, Nolan, Olin, Palin, paulin, phthalin, polen, pooling, pullen, quillen, quillon, rolen, Rollin, ruling, schooling, solan, solen, solon, Stalin, stolen, swollen, tellin, theelin, tolan, tolen, tooling, uhlan, woolen, woollen
3 syllables:
befooling, eidolon, Helvellyn, Llewellyn, Medellin, nonruling, pangolin, quadrupling, retooling, tarpaulin, tefillin, tephillin, vanillin, vitellin, vitelline
4 syllables:
ampicillin, cardueline, digitalin, gibberellin, mesocolon, penicillin, podophyllin