divorce vs unification

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. 

unification

noun
  • Given two terms, their join with respect to a specialisation order. 

  • The act of unifying. 

  • The state of being unified. 

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