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