breakup vs incorporation

breakup

noun
  • The termination of a friendship or a romantic relationship. 

  • The act of breaking up; disintegration or division. 

  • The time of year during which winter ice covering bodies of water disintegrates; more generally, spring. 

  • A loss of emotional control; a breakdown. 

incorporation

noun
  • A phenomenon by which a grammatical category forms a compound with its direct object or adverbial modifier, while retaining its original syntactic function. 

  • The union of different ingredients in one mass; mixture; combination; synthesis. 

  • A doctrine of constitutional law according to which certain parts of the Bill of Rights are extended to bind individual American states. ᵂᵖ 

  • A body incorporated; a corporation. 

  • The act of incorporating, or the state of being incorporated. 

  • The act of creating a corporation. 

  • The union of something with a body already existing; association; intimate union; assimilation. 

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