Grubman rhymes with:
tubman, farbman, leibman, libman, liebman, liebmann, rebman, rebmann, riebman, schreibman, shribman, taubman, tubman
Grubman sounds like:
garofano, garvin, gerbino, girvan, girven, girvin, graben, graffam, grapevine, gravano, graven, gravina, gravino, gribben, gribbin, gribbon, griffen, griffin, griffon, groben, grobian, groopman, groveman, gruben