Dulcine rhymes with:
ethelson, polcyn, shavelson, aflatoxin, alfonsin, anacin, angiotensin, ansin, bassin, carrisyn, cassin, cecin, centoxin, chacin, chasin, cossin, crossin, dancin', debrecen, dioxin, ethelson, galitsin, haberson, hiaasen, highosin, huchison, kassin, katzin, kosin, kressin, layperson, lesesne, lessin, liesin, locsin, masin, moccasin, naprosyn, nissin, persyn, pessin, polcyn, poussin, richesin, robitussin, rossin, roxanne, rusin, russin, sarasin, shavelson, sierracin, tassin, ursin, vancomycin, vixen, yasin, yassin
Dulcine sounds like:
dalkon, delcine, delusion, dhlakama, dilson, dolgen, dolgin, dollison, dolson, dualism, dulciana, dulcinea