consort vs copulation

consort

noun
  • Association or partnership. 

  • The spouse of a monarch. 

  • A ship accompanying another. 

  • A group or company, especially of musicians playing the same type of instrument. 

  • A husband, wife, companion or partner. 

  • An informal, usually well-publicized sexual companion of a monarch, aristocrat, celebrity, etc. 

adj
  • of a title, by virtue of one's (living) spouse; often contrasted with regnant and dowager 

verb
  • To be in agreement. 

  • To associate or keep company (with). 

copulation

noun
  • The act of coupling or joining; union; conjunction. 

  • Sexual procreation between a man and a woman or transfer of the sperm from male to female; usually applied to the mating process in nonhuman animals; coitus; coition. 

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