The term "blood-hound" is commonly used to describe a type of hunting dog that is often employed to track scent trails of animals or humans. However, there exist several other synonyms that one can use to describe these versatile animals. For instance, you can use the term "sleuth-hound" to describe their magnificent ability to track and follow scent trails. Alternatively, you could also describe them as "scent-hounds," "tracking dogs," or "hunting dogs" since these are all accurate descriptions that capture their essential qualities. Ultimately, regardless of which term you choose to use, what remains evident is that the blood-hound and its synonyms are impressive animals that play a vital role in helping people track and locate prey or missing persons.