primal vs warm up

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). 

warm up

verb
  • To prepare for an activity by carrying out a practice or preparation routine. 

  • To reach, or cause to reach, a normal operating temperature (of a car for example). 

  • To become warmer. 

  • To heat or reheat (e.g. food). 

  • To do gentle exercise, stretching etc., in order to prepare the body for more vigorous exercise. 

  • To make (an audience) enthusiastic or animated before a show 

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