suboctave /sub-okˈtiv/

1. The octave below
2. (also suboctave coupler) an organ coupler that gives an octave below

• Belizean
• bell
• belladonna
• belladonna lilies
• belladonna lily
• belladonnas
• bella figura
• bellamoure
• bellamoures
• bellarmine
• bellarmines
• Bellatrix
• bell beaker
• bell beakers
• bellbind
• bellbinds
• bellbird
• bellbirds
• bell, book and candle
• bell-bottomed
• bell-bottoms
• bellboy
• bellboys
• bell buoy
• bell buoys