Superman's rhymes with:
albans, carnahan's, finanz, hoolihan's, houlihan's, moynihan's, orangutan's, orangutans, rosencrans, sampans
Superman's sounds like:
safranek, savoring, schiferon's, schizophrenic, schubring, scuppernong, sebring, severance, severing, severns, sfernice, shivering, sobering, sofranko, sopranos, sovran's, sovrans, sparing, sparring, spearing, speranza, sperms, spiering, sprains, sprang, spraying, spreng, spring, spring's, springs, sprong, sprung, spurning, spurns, spurring, suffering, sufferings, supermac, supremacy, supremes, szafranski