keep going vs primal

keep going

verb
  • To proceed; to make progress, physically or figuratively. 

  • To see that (a person) is continually supplied with something, or that they can progress or carry on. 

  • To continue functioning. 

primal

verb
  • To take part in primal therapy. 

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). 

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