suboctave /sub-okˈtiv/

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

• case-load
• case-loads
• casemaker
• casemakers
• caseman
• casemate
• casemated
• casemates
• casemen
• casement
• casement cloth
• casement curtain
• casement curtains
• casemented
• casements
• casement window
• casement windows
• casemix
• casemixes
• case of conscience
• caseous
• casern
• caserne
• casernes
• caserns