hubble-bubble /hubˈl-bubˈl/

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

• spiro-
• spirochaetaemia
• spirochaete
• spirochaetes
• spirochaetoses
• spirochaetosis
• spirogram
• spirograms
• spirograph
• spirographies
• spirographs
• spirography
• spirogyra
• spirogyras
• spiroid
• spirometer
• spirometers
• spirometric
• spirometries
• spirometry
• spironolactone
• spironolactones
• spirophore
• spirophores
• spirt