Grossman's rhymes with:
boltzmann's, boltzmanns, congressman's, foxman's, glickman's, heisman's, houseman's, mutzman's, policeman's, statesman's, wacksman's, waxman's, weitzman's
Grossman's sounds like:
garczynski, georgians, gerashchenko, gergen's, gershwin's, gorczynski, gorgons, gracing, graciousness, grasmick, grassings, grazing, greasing, gresham's, grisham's, groshong, grosshans, grossing, grousing, grozny's, grussing, grzywinski, gurganious, gurganus