federal vs statal

federal

adj
  • Pertaining to the national government level in a federal nation, as opposed to state, provincial, county, city, or town. 

  • Pertaining to a league or treaty; derived from an agreement or covenant between parties, especially between nations. 

noun
  • A law-enforcement official of the FBI 

  • A unionist soldier in the American Civil War. 

  • A supporter of federation. 

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