Dog Dictionary
- Obedience Trial
- Obesity
- Oblique Shoulders
- Obliquely Placed Eyes
- Occipital Protuberance
- Occiput
- Odd-Eyed
- Omnivore
- On-Dog Identification
- Open A/B
- Open Fontanel
- Open Junior
- Open Senior
- Ophthalmic
- Orange Belton
- Orthopedic Foundation for Animals (OFA)
- Osteoarthritis
- Osteochondrosis Dissecans (OCD)
- Osteosarcoma
- Otter Tail
- Out At The Elbows
- Out At The Shoulders
- Outcrossing
- Oval Chest
- Oval Eye
- Ovaries
- Overage Dam
- Overage Sire
- Overhang
- Overreaching
- Overshot
- Ovulate
Breed Profile Finder
- Affenpinscher
- Afghan Hound
- Airedale Terrier
- Akita
- Alaskan Klee Kai
- Alaskan Malamute
- American Bulldog
- American English Coonhound
- American Eskimo Dog
- American Foxhound
- American Pit Bull Terrier
- American Staffordshire Terrier
- American Water Spaniel
- Anatolian Shepherd Dog
- Appenzeller Sennenhunde
- Australian Cattle Dog
- Australian Kelpie
- Australian Shepherd
- Australian Terrier
- Azawakh
- Barbet
- Basenji
- Basset Hound
- Beagle
- Bearded Collie
- Bedlington Terrier
- Belgian Malinois
- Belgian Sheepdog
- Belgian Tervuren
- Berger Picard
- Bernedoodle
- Bernese Mountain Dog
- Bichon Frise
- Black and Tan Coonhound
- Black Mouth Cur
- Black Russian Terrier
- Bloodhound
- Blue Lacy
- Bluetick Coonhound
- Boerboel
- Bolognese
- Border Collie
- Border Terrier
- Borzoi
- Boston Terrier
- Bouvier des Flandres
- Boxer
- Boykin Spaniel
- Bracco Italiano
- Briard
- Brittany
- Brussels Griffon
- Bull Terrier
- Bulldog
- Bullmastiff
- Cairn Terrier
- Canaan Dog
- Cane Corso
- Cardigan Welsh Corgi
- Catahoula Leopard Dog
- Caucasian Shepherd Dog
- Cavalier King Charles Spaniel
- Cesky Terrier
- Chesapeake Bay Retriever
- Chihuahua
- Chinese Crested
- Chinese Shar-Pei
- Chinook
- Chow Chow
- Clumber Spaniel
- Cockapoo
- Cocker Spaniel
- Collie
- Coton de Tulear
- Curly-Coated Retriever
- Dachshund
- Dalmatian
- Dandie Dinmont Terrier
- Doberman Pinscher
- Dogo Argentino
- Dogue de Bordeaux
- Dutch Shepherd
- English Cocker Spaniel
- English Foxhound
- English Setter
- English Springer Spaniel
- English Toy Spaniel
- Entlebucher Mountain Dog
- Field Spaniel
- Finnish Lapphund
- Finnish Spitz
- Flat-Coated Retriever
- Fox Terrier
- French Bulldog
- German Pinscher
- German Shepherd Dog
- German Shorthaired Pointer
- German Wirehaired Pointer
- Giant Schnauzer
- Glen of Imaal Terrier
- Goldador
- Golden Retriever
- Goldendoodle
- Gordon Setter
- Great Dane
- Great Pyrenees
- Greater Swiss Mountain Dog
- Greyhound
- Harrier
- Havanese
- Ibizan Hound
- Icelandic Sheepdog
- Irish Red and White Setter
- Irish Setter
- Irish Terrier
- Irish Water Spaniel
- Irish Wolfhound
- Italian Greyhound
- Jack Russell Terrier
- Japanese Chin
- Japanese Spitz
- Karelian Bear Dog
- Keeshond
- Kerry Blue Terrier
- Komondor
- Kooikerhondje
- Korean Jindo Dog
- Kuvasz
- Labradoodle
- Labrador Retriever
- Lagotto Romagnolo
- Lakeland Terrier
- Lancashire Heeler
- Leonberger
- Lhasa Apso
- Lowchen
- Maltese
- Maltese Shih Tzu
- Maltipoo
- Manchester Terrier
- Mastiff
- Miniature Pinscher
- Miniature Schnauzer
- Mudi
- Mutt
- Neapolitan Mastiff
- Newfoundland
- Norfolk Terrier
- Norwegian Buhund
- Norwegian Elkhound
- Norwegian Lundehund
- Norwich Terrier
- Nova Scotia Duck Tolling Retriever
- Old English Sheepdog
- Otterhound
- Papillon
- Peekapoo
- Pekingese
- Pembroke Welsh Corgi
- Petit Basset Griffon Vendeen
- Pharaoh Hound
- Plott
- Pocket Beagle
- Pointer
- Polish Lowland Sheepdog
- Pomeranian
- Pomsky
- Poodle
- Portuguese Water Dog
- Pug
- Puggle
- Puli
- Pyrenean Shepherd
- Rat Terrier
- Redbone Coonhound
- Rhodesian Ridgeback
- Rottweiler
- Saint Bernard
- Saluki
- Samoyed
- Schipperke
- Schnoodle
- Scottish Deerhound
- Scottish Terrier
- Sealyham Terrier
- Shetland Sheepdog
- Shiba Inu
- Shih Tzu
- Siberian Husky
- Silken Windhound
- Silky Terrier
- Skye Terrier
- Sloughi
- Small Munsterlander Pointer
- Soft Coated Wheaten Terrier
- Stabyhoun
- Staffordshire Bull Terrier
- Standard Schnauzer
- Sussex Spaniel
- Swedish Vallhund
- Tibetan Mastiff
- Tibetan Spaniel
- Tibetan Terrier
- Toy Fox Terrier
- Treeing Tennessee Brindle
- Treeing Walker Coonhound
- Vizsla
- Weimaraner
- Welsh Springer Spaniel
- Welsh Terrier
- West Highland White Terrier
- Whippet
- Wirehaired Pointing Griffon
- Xoloitzcuintli
- Yorkipoo
- Yorkshire Terrier
