suboctave /sub-okˈtiv/

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

• morning-after pills
• morning coat
• morning coats
• morning dress
• morning gift
• morning gifts
• morning glories
• morning glory
• morning gown
• morning gowns
• morning-land
• morning-lands
• morning prayer
• morning prayers
• morning room
• morning rooms
• mornings
• morning sickness
• morning star
• morning stars
• morningtide
• morning watch
• morns
• morné
• Moro