The word "woofing" can be substituted with other terms such as barking, yapping, howling, or growling. Barking is the most commonly used synonym in reference to dogs vocalizing, while yapping is often used to refer to high-pitched, shrill barks. Howling refers to long, plaintive cries usually heard in wolves, while growling is a low, rumbling sound produced by a dog in a threatening or aggressive manner. Other synonyms for woofing include snarling, whining, and whimpering, which are often used to describe a dog's emotional state. Overall, the word "woofing" has several alternatives, each with its own unique usage and connotation.