suboctave /sub-okˈtiv/

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

• motivational research
• motivation research
• motivations
• motivator
• motivators
• motive
• motived
• motiveless
• motivelessly
• motivelessness
• motivelessnesses
• motive power
• motives
• motivic
• motiving
• motivities
• motivity
• motley
• motleyer
• motleyest
• motley-minded
• motleys
• motlier
• motliest
• motmot