governmental vs tribal

governmental

adj
  • Relating to governing. 

  • Relating to a government 

tribal

adj
  • Of or relating to tribes. 

  • Based on or organized according to tribes. 

noun
  • A member of a tribe. 

  • A design or image that has been influenced by indigenous peoples; especially such a tattoo. 

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