Synonyms and related words :
Cerberus, Seeing Eye dog, bandog, bitch, bowwow, canine, cerberus, clanger, custos, dog, fancy dog, guard dog, guardian, guide dog, gyp, keeper, kennel, lap dog, pack of dogs, pooch, pup, puppy, sheep dog, show dog, sled dog, slut, toy dog, warden, whelp, working dog