primal vs rehearse

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. 

rehearse

verb
  • To practise by recitation or repetition in private for experiment and improvement, prior to a public representation, especially in theater 

  • To narrate; to relate; to tell. 

  • To contrive and carefully prepare (a story, etc.) to offer consistency. 

  • To repeat, as what has been already said; to tell over again; to recite. 

  • To cause to rehearse; to instruct by rehearsal. 

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