national vs visitor

national

noun
  • A subject of a nation. 

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

  • A national newspaper. 

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. 

visitor

noun
  • Someone who pays a visit to a specific place or event; a sightseer or tourist. 

  • An object which lands or passes by Earth or its orbit. 

  • A head or overseer of an institution such as a college (in which case, equivalent to the university's chancellor) or cathedral or hospital, who resolves disputes, gives ceremonial speeches, etc. 

  • A person authorized to visit an institution to see that it is being managed properly. 

  • An extraterrestrial being on Earth for any reason. 

  • The object in the visitor pattern that performs an operation on the elements of a structure one by one. 

  • Someone, or a team, that is playing away from home. 

  • Someone who visits someone else; someone staying as a guest. 

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