autochthonous vs primal

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. 

primal

adj
  • Being the first in time or in history. 

  • Of greatest importance; primary. 

  • Being one of the pieces of meat initially separated from the carcass during butchering, prior to division into smaller cuts. 

noun
  • A primal cut (of meat). 

verb
  • To take part in primal therapy. 

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