Superman rhymes with:
hooperman, kuperman, copperman, fesperman, hooperman, kipperman, kuperman, newspapermen, opperman, oppermann, pepperman, tepperman, upperman, vipperman
Superman sounds like:
sabourin, sabrina, saffran, saffron, safran, savarino, schiferon, schizophrenia, seaborn, seaborne, severin, severini, severino, severn, shafran, shakespearean, shifrin, shopworn, siberian, sophronia, soprano, sovran, sparano, spearman, sperm, sporn, sprain, spreeman, spreen, spurn, subramanian, suffern, superhuman, superwoman, superwomen, supreme, sybron, szafran