cooperation vs divorce

cooperation

noun
  • The act of cooperating. 

  • Association for mutual benefit, such as for purposes of production or purchase. 

  • Active help from a person, organization, etc., such as an orderly sharing of space or resources. 

divorce

noun
  • The legal dissolution of a marriage. 

  • A separation of connected things. 

  • The separation of a bonded pair of animals. 

verb
  • To legally dissolve a marriage between two people. 

  • To end one's own marriage to (a person) in this way. 

  • To separate something that was connected. 

  • To obtain a legal divorce. 

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