suboctave /sub-okˈtiv/

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

• overinforms
• overinked
• overinsurance
• overinsurances
• overinsure
• overinsured
• overinsures
• overinsuring
• overissue
• overissued
• overissues
• overissuing
• overjoy
• overjoyed
• overjoying
• overjoys
• overjump
• overjumped
• overjumping
• overjumps
• overkeen
• overkeep
• overkeeping
• overkeeps
• overkept