Blumberg rhymes with:
humburg, amberg, bamberg, bamburg, blomberg, bloomberg, bomberg, bromberg, calemburg, gomberg, hamberg, hamburg, holmberg, homburg, humburg, lamberg, lemberg, lemburg, limberg, limburg, malmberg, nuremberg, ramberg, romberg, samberg, schaumberg, schaumburg, schomberg, schomburg, shamburg, stamberg, stemberg, stromberg, vanamburg, vanamburgh, wuerttemberg
Blumberg sounds like:
bielenberg, blomberg, bloomberg, bloomberg's, blumenberg