The term 'breed of horse' encompasses a wide variety of horses, including the ARABIAN (4 letters), Palomino (8 letters), APPALOOSA (9 letters), and ARABIAN (7 letters). The ARABIAN is a breed of horse that originated in the Middle East and is known for its intelligence and beauty. The Palomino is a breed of horse that is characterized by its golden coat and white mane and tail. The APPALOOSA is a breed of horse that is known for its spotted coat pattern and is native to the United States. Finally, the ARABIAN is a breed of horse that is known for its endurance and is also native to the Middle East.