The term 'SOUND FROM A POUND' can be broken down into three crossword solutions: YAP (3 letters), WOOF (4 letters), and ARF (3 letters). YAP is a high-pitched bark, usually associated with small dogs. WOOF is a deep bark, usually associated with larger dogs. ARF is a sound that is somewhere in between YAP and WOOF, and is often used to describe the bark of a medium-sized dog. All three sounds are commonly heard from dogs in a pound or shelter.