Possible Clues:

• Right to be king and regularly exercise power
• Pronouced fall, as a rule
• As a rule, control natural water supply? Hear, hear!
• Predominate
• Hegemony
• Prevail, but good to be held in check
• Queen elevated in restricting Government's time in power
• As a rule, it may be said to be right
• Power of Government head in control
• Give up when squadron leader's going to prevail