Supremacy /(?)/

Su·prem·a·cy

Supremacy

n.
  1. The state of being supreme, or in the highest station of power; highest or supreme authority or power; as, the supremacy of a king or a parliament.
    The usurped power of the pope being destroyed, the crown was restored to its supremacy over spiritual men and causes.

Phrases & Compounds

Oath supremacy
an oath which acknowledges the supremacy of the sovereign in spiritual affairs, and renounced or abjures the supremacy of the pope in ecclesiastical or temporal affairs.