suboctave /sub-okˈtiv/

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

• sleeve nuts
• sleever
• sleevers
• sleeves
• sleeve-valve engine
• sleeve-valve engines
• sleeve waistcoat
• sleeve waistcoats
• sleeving
• sleevings
• sleezy
• sleided
• sleigh
• sleigh bell
• sleigh bells
• sleighed
• sleigher
• sleighers
• sleighing
• sleighings
• sleighs
• sleight
• sleight of hand
• sleight-of-hand
• sleights