arrangement vs paction

arrangement

noun
  • An agreement. 

  • Preparations for some undertaking. 

  • An adaptation of a piece of music for other instruments, or in another style. 

  • The act of arranging. 

  • A collection of things that have been arranged. 

  • A particular way in which items are organized. 

  • The manner of being arranged. 

paction

noun
  • A pact, an agreement. 

verb
  • To form a pact; to make a binding agreement. 

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