best vs primal

best

adj
  • Most superior; most favorable. 

  • Most; largest. 

noun
  • The person (or persons; or thing or things) that is (are) most excellent. 

  • The supreme effort one can make, or has made. 

  • One's best behavior. 

adv
  • To the most advantage; with the most success, cause, profit, benefit, or propriety. 

verb
  • Had best. 

  • To surpass in skill or achievement. 

  • To beat in a contest. 

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. 

noun
  • A primal cut (of meat). 

verb
  • To take part in primal therapy. 

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