primal vs subsequent

primal

adj
  • Of greatest importance; primary. 

  • Being the first in time or in history. 

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

verb
  • To take part in primal therapy. 

noun
  • A primal cut (of meat). 

subsequent

adj
  • Following in order of place; succeeding. 

  • Following a line in the earth that is more easily eroded. 

  • Following in time; coming or being after something else at any time, indefinitely. 

noun
  • A subsequent stream or faultline. 

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