You mean what dog breeds are eight letters? If so.... here is my answer:
1. Labrador
2. Shepherd
3. Brittany
4. Chow Chow
Here is a dog that is nine letters: Dachshund
And one that is seven letters: Pitbull
Chihuahua
Poodle
Hound dog, Husky
appaloosa
Bernese mountain dog
Poodle
Shelty
Neapolitan Mastiff
Weimaraner is a dog breed recognized by the American Kennel Club. Whippet is a dog breed recognized by the American Kennel Club. Welsh Terrier is a dog breed recognized by the American Kennel Club.
bug pug (a breed of dog)
Xoloitzcuintli is a dog breed recognized by the American Kennel Club. It starts with the letter x.
Jack Russel terrier
white something