Thornburg rhymes with:
thornberg, thornburgh, doernberg, hornburg, kornberg, thornberg, thornburgh, doernberg, hornburg, kornberg, thornberg, thornburgh
Thornburg sounds like:
thornberg, thornberry's, thornberrys, thornburg's, thornburgh, thornburgh's, thornburghs, thornburgs, thornbury's, thornburys, tranberg, turnovers