interior vs national

interior

adj
  • Within any limits, enclosure, or substance; inside; internal; inner. 

  • Remote from the limits, frontier, or shore; inland. 

noun
  • The set of all interior points of a set. 

  • The inside regions of a country, distanced from the borders or coasts. 

  • The inside of a building, container, cavern, or other enclosed structure. 

national

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

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

noun
  • A subject of a nation. 

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

  • A national newspaper. 

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