grieve vs primal

grieve

verb
  • To experience grief. 

  • To submit or file a grievance (about). 

  • To feel very sad about; to mourn; to sorrow for. 

  • To cause sorrow or distress to. 

noun
  • A manager or steward, e.g. of a farm. 

primal

verb
  • To take part in primal therapy. 

noun
  • A primal cut (of meat). 

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 grieve and primal occurred in a corpus of books? (source: Google Ngram Viewer )