incorporation vs parting

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. 

parting

noun
  • The surface of the sand of one section of a mould where it meets that of another section. 

  • A joint or fissure, as in a coal seam. 

  • The dividing line formed by combing the hair in different directions; part (US) 

  • The separation and determination of alloys; especially, the separation, as by acids, of gold from silver in the assay button. 

  • A farewell, the act of departing politely. 

  • The breaking, as of a cable, by violence. 

  • Lamellar separation in a crystallized mineral, due to some other cause than cleavage, as to the presence of twinning lamellae. 

  • The act of parting or dividing; the state of being parted; division; separation. 

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