Catalan rhymes with:
adrenaline, anglen, cahalan, coplen, eblen, edelen, enslen, evelyn, gillilan, hamblen, heinlen, insulin, javelin, lanolin, madlen, magdalen, marilyn, marilynn, masculine, maslen, medlen, michelin, micheline, monhollen, porcelain, rosellen, sabalan, schnoebelen, spracklen, stricklen, verkuilen, westphalen, zebulon
Catalan sounds like:
caitlin, castellana, castellani, castellano, castellon, castillon, castleman, catalano, catalina, catalonia, catalonian, cathleen, catlin, cattlemen, chitlin, coastline, codlin