suboctave /sub-okˈtiv/

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

• rancider
• rancidest
• rancidities
• rancidity
• rancidness
• rancidnesses
• rancing
• rancor
• rancorous
• refounders
• refounding
• refounds
• refract
• refractable
• refractaries
• refractary
• refracted
• refracting
• refracting telescope
• refracting telescopes
• refraction
• oiling
• oil length
• oil-less
• oillet