primal vs rind

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. 

rind

noun
  • A hard, tough outer layer, particularly on food such as fruit, cheese, etc 

  • tree bark 

  • The gall, the crust, the insolence; often as "the immortal rind" 

  • An iron support fitting used on the upper millstone of a grist mill. 

verb
  • To remove the rind from. 

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