1. The semitone or note next below the tonic; the leading note of the scale.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• aubtonic,
• zubtonic,
• xubtonic,
• dubtonic,
• eubtonic,
• wubtonic,
• sybtonic,
• shbtonic,
• sjbtonic,
• sibtonic,
• s8btonic,
• s7btonic,
• suvtonic,
• suntonic,
• subtonix,
• subtoinic,
• sbutonic,
• subtonnic,
• subtonicc,
• subtonik

• subatomic,
• subtend.

The adjective form of the word "subtonic" is "subtonic".

The plural of the "subtonic" can be the "subtonics".

The singular of the "subtonic" can be the "subtonic".