F)Fang, Feature, Fetch, Fidelity, Fido, Finicky, Fitness, Fleas, Food, Foreleg, Formula, Four-legged friend, Friendly, Fur G)Games, Gentle, Gnaw, Greeting, Grooming, Grow, Guard, Guardian, Guide dog H)Handling, Harness, Haul, Heal, Healthy, Heart, Heart worm, Heel, Herd, Hide, Hind...