national vs unional

national

adj
  • Belonging to or characteristic of a specific nation or country, as opposed to others. 

  • Pertaining to a nation or country, especially as a whole; affecting, shared by, or existing throughout all of a nation. 

noun
  • A subject of a nation. 

  • A tournament in which participants from all over the nation compete. 

  • A national newspaper. 

unional

adj
  • Pertaining to a union. 

  • Pertaining to the European Union. 

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