collaboration vs divorce

collaboration

noun
  • Treasonous cooperation. 

  • The act of collaborating. 

  • A production or creation made by collaborating. 

divorce

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. 

noun
  • The legal dissolution of a marriage. 

  • A separation of connected things. 

  • The separation of a bonded pair of animals. 

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