Related Clues:
- Guard dog's warning
- Grade school basics, familiarly
- Growling sound
- Angry dog's sound
- Basic education trio?
- Sch. basics
- Basics of learning, briefly
- Canine threat
- Dull rumbling sound
- Dull, rumbling sound of an animal
- Emit low rumbling sounds
- How the sound of anger will increase to half a century
- The sound of a dog with a bird at last
- In short, the 19 across fly-by-night for the dog
- Rumble in the jungle?