Words That Rhyme With "Proline" :
2 syllables:
allene, bolen, bowlen, bowline, choline, colen, colin, colon, dolen, golan, Hellene, holen, Ilene, isleen, kaolin, molen, Nalline, Nolan, Olin, phthalein, polen, poleyn, snowline, solan, solen, solon, squalene, stolen, stolon, swollen, tolan, tolen, valine, xylene
3 syllables:
bivoltine, eidolon, pangolin, philhellene
4 syllables:
isohaline, mesocolon, multivoltine, polyvoltine, theophylline