primal vs toilet

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. 

toilet

verb
  • To assist another (a child, etc.) in using the toilet. 

  • To use the toilet. 

noun
  • A very shabby or dirty place. 

  • A fixture used for urination and defecation, particularly one with a large bowl and ring-shaped seat which uses water to flush the waste material into a septic tank or sewer system. 

  • A room or enclosed area containing a fixture used for urination and defecation (i.e. a toilet (sense 2)): a bathroom or water closet. 

  • A small secondary lavatory having a fixture used for urination and defecation (i.e. a toilet (sense 2)) and sink but no bathtub or shower. 

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