autochthonic vs territorial

autochthonic

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

territorial

adj
  • Of or relating to geography or territory. 

  • Organized for home defence - such as the Territorial Army. 

  • Of, relating to, or restricted to a specific geographic area, or territory. 

  • Displaying territoriality. 

noun
  • A non-professional member of a territorial army. 

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