constitute vs legislate

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. 

legislate

verb
  • To pass laws (including the amending or repeal of existing laws). 

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