parliamentary vs statal

parliamentary

adj
  • Of, relating to, or enacted by a parliament 

  • Of a class of train which, by an act of parliament, ran both ways along a line, at least once each day, at the rate of one penny per mile. 

  • Having the supreme executive and legislative power resting with a cabinet of ministers chosen from, and responsible to a parliament. 

noun
  • A parliamentary train. 

statal

adj
  • Relating to a state. 

  • Resulting from structural considerations as opposed to actions. 

  • 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 parliamentary and statal occurred in a corpus of books? (source: Google Ngram Viewer )