autochthonous vs latest

autochthonous

adj
  • Native to the place where found; indigenous. 

  • Originating where found; found where it originates. 

  • Buried in place, especially of a fossil preserved in its life position without disturbance or disarticulation. 

latest

adj
  • Most recent. 

adv
  • At the latest. 

noun
  • The most recent thing, particularly information or news. 

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