suboctave /sub-okˈtiv/

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

• selenographer
• selenographers
• selenographic
• selenographical
• selenographies
• selenographs
• selenography
• selenological
• selenologies
• selenologist
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• Seleucid
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• -self
• self
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• self-abandonment
• self-abasement
• self-abnegation
• self-absorbed