ruling vs statal

ruling

adj
  • That rules; predominant; chief; reigning; controlling. 

noun
  • An order or a decision on a point of law from someone in authority. 

statal

adj
  • Resulting from structural considerations as opposed to actions. 

  • Relating to a state. 

  • Pertaining to a word or word form (such as a passive verb or a modifier) or other linguistic element that denotes a state rather than an action or process. 

How often have the words ruling and statal occurred in a corpus of books? (source: Google Ngram Viewer )