Related Clues:

• Sound from a fenced-in yard, maybe
• "Speak!" response
• Bark shrilly
• Beginning of a cowboy song refrain
• Spot comment
• Cake-hole
• 'Woof!'
• Sound in a pound
• Animal sound
• Bark sound
• Animal cry
• Toy sound, perhaps
• Woof kin
• 'Bowwow!'
• A word from Fido