The term 'DOG OR HOUND' can be broken down into three crossword solutions: NAG (3 letters), WORRY (5 letters), and RUNAFTER (8 letters). NAG is a verb meaning to persistently scold or complain, while WORRY is a verb meaning to feel anxious or troubled about something. Finally, RUNAFTER is a verb meaning to pursue or chase after something. All three of these words can be used to describe the behavior of a dog or hound, as they are often known for their persistent barking, anxiousness, and chasing after things.