Madelin rhymes with:
madeline, madeline, candellin, gwendolyn, madeline, adrenalin, beguelin, candellin, carolyn, carolyne, eveline, globulin, gwendolyn, hamelin, jacqueline, jessalynn, karolyn, madeline, margolin, matalin, nicolin, ritalin, rosalyn, sakhalin, schieffelin, sokolin, ugolin
Madelin sounds like:
madalena, maddalena, madelaine, madeleine, madelena, madelene, madeline, madelon, madelyn, madlen, madlin, mandolin, matalin, matalon, matlin, maudlin, medallion, medellin, medlen, medlin, methylene, mettlen, middleman, middlemen, midline, mindlin, mittelman, mittleman, modiliani, modlin, monteleone