alliance vs consort

alliance

noun
  • The act of allying or uniting. 

  • Marriage. 

  • The persons or parties allied. 

  • The state of being allied. 

  • A union or connection of interests between families, states, parties, etc., especially between families by marriage and states by compact, treaty, or league. 

  • Any union resembling that of families or states; union by relationship in qualities; affinity. 

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). 

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