The English word "dog" has varied synonyms which differ in their significance. Some commonly used synonyms for dog include canine, hound, puppy, and pooch. In scientific terms, the domesticated dog can also be called canis familiaris or canis lupus familiaris. Canine is a more generic term used to describe dogs that include the wolves, jackals, and foxes. Hound refers to a dog traditionally used for hunting game while a puppy is a young dog in its early stages of life. Lastly, pooch is an affectionate term used for a dog that is loved by its owner. With the varied synonyms for dog, the word can be used in various contexts and meanings in the English language.