constitute vs paction

constitute

verb
  • To set up; to establish; to enact. 

  • To make up; to compose; to form. 

  • To appoint, depute, or elect to an office; to make and empower. 

paction

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

noun
  • A pact, an agreement. 

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