Ruderman rhymes with:
suderman, aderman, alderman, anderman, biderman, biederman, biedermann, bonderman, cryderman, federman, felderman, geldermann, gunderman, halderman, helderman, hinderman, holderman, kinderman, lederman, leiderman, lenderman, liederman, linderman, niederman, readerman, schneiderman, soderman, sonderman, strawderman, suderman, sunderman, weiderman, wilderman
Ruderman sounds like:
ratterman, readerman, redrawn, retrain, return, returnee