federal vs supranational

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. 

supranational

adj
  • Beyond the borders or scope of any one nation. 

noun
  • Such a person or organization. 

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