involuntary vs primal

involuntary

adj
  • Not voluntary or willing; contrary or opposed to explicit will or desire; unwilling. 

  • Without intention; unintentional. 

primal

noun
  • A primal cut (of meat). 

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. 

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