suboctave /sub-okˈtiv/

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

• racism
• racisms
• racist
• racists
• rack
• rackabones
• rack and manger
• rack and pinion
• rack and ruin
• racked
• racker
• reclination
• reclinations
• recline
• reclined
• recliner
• recliners
• reclines
• reclining
• reclose
• reclosed
• recloses
• reclosing
• reclothe
• reclothed