alliance vs parting

alliance

noun
  • Marriage. 

  • The persons or parties allied. 

  • The state of being allied. 

  • The act of allying or uniting. 

  • A union or connection of interests between families, states, parties, etc., especially between families by marriage and states by compact, treaty, or league. 

  • Any union resembling that of families or states; union by relationship in qualities; affinity. 

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 alliance and parting occurred in a corpus of books? (source: Google Ngram Viewer )