autochthonic vs traditional

autochthonic

adj
  • existing where it was formed or born; native, aboriginal, indigenous 

traditional

adj
  • Of, relating to, or derived from tradition. 

  • Communicated from ancestors to descendants by word only. 

  • Relating to traditional Chinese. 

  • Observant of tradition; attached to old customs; old-fashioned. 

  • In lieu of the name of the composer of a piece of music, whose real name is lost in the mists of time. 

noun
  • A person with traditional beliefs. 

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