hubble-bubble /hubˈl-bubˈl/

1. A bubbling sound
2. Tattle
3. Confusion
4. A crude kind of hookah

• tribo-
• triboelectric
• triboelectricity
• tribologies
• tribologist
• tribologists
• tribology
• triboluminescence
• triboluminescent
• tribometer
• tribometers
• tribrach
• tribrachic
• tribrachs
• tribrom-
• tribromo-
• tribulation
• tribulations
• tribunal
• tribunals
• tribunate
• tribunates
• tribune
• Tribune Group
• tribunes