Related Clues:

• See 4
• Sounds like the downfall of rule
• Put a curb round gelding's head and get control
• See 1
• Sound of waterfall as a rule ...
• See 8
• Rule of restraint without force
• Government measure
• Be king of Niger?
• Sit on the throne, which is wet by the sound of it!
• Check the key in, as a rule
• Veto letters being taken from true love by government
• Rule to ignore, bent - nothing's lost
• Sway one to enter, say, into the navy
• Prevail in pronounced bad weather