Shorthair cat breeds include the ORIENTAL, which is an 8-letter breed, the SIAMESE, a 7-letter breed, and the ABYSSINIAN, a 10-letter breed. The ORIENTAL is a breed of cat that originated in Japan and is known for its round face and large eyes. The SIAMESE is a breed of cat that originated in Thailand and is known for its slender body and pointed face. The ABYSSINIAN is a breed of cat that originated in Ethiopia and is known for its ticked coat and muscular body. All three of these shorthair cat breeds are popular among cat owners due to their unique physical characteristics and personalities.