suboctave /sub-okˈtiv/

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

• bayonet joints
• bayonets
• bayonet socket
• bayonet sockets
• bayou
• bayous
• bay platform
• bay platforms
• bay rum
• bay rums
• bays
• bay salt
• bayt
• bay the moon
• bay-tine
• bay window
• bay-windowed
• bay windows
• bazaar
• bazaars
• bazar
• bazars
• bazazz
• bazazzes
• bazoo