Humburg rhymes with:
blumberg, amberg, bamberg, bamburg, blomberg, bloomberg, blumberg, bomberg, bromberg, calemburg, gomberg, hamberg, hamburg, holmberg, homburg, lamberg, lemberg, lemburg, limberg, limburg, malmberg, nuremberg, ramberg, romberg, samberg, schaumberg, schaumburg, schomberg, schomburg, shamburg, stamberg, stemberg, stromberg, vanamburg, vanamburgh, wuerttemberg
Humburg sounds like:
hamberg, hambrick, hambros, hamburg, hampers, hanover's, hembrick, homburg, homebuyers, humpherys, humphrey's, humphreys, humphries