cause vs promote

cause

verb
  • To actively produce as a result, by means of force or authority. 

  • To set off an event or action. 

noun
  • Sufficient reason for a state, as of emotion. 

  • A goal, aim or principle, especially one which transcends purely selfish ends. 

  • A suit or action in court; any legal process by which a party endeavors to obtain his claim, or what he regards as his right; case; ground of action. 

  • The source of, or reason for, an event or action; that which produces or effects a result. 

promote

verb
  • To raise (someone) to a more important, responsible, or remunerative job or rank. 

  • To increase the activity of (a catalyst) by changing its surface structure. 

  • To elevate to a higher league. 

  • To move on to a subsequent stage of education. 

  • To encourage, urge or incite. 

  • To advocate or urge on behalf of (something or someone); to attempt to popularize or sell by means of advertising or publicity. 

  • To exchange (a pawn) for a queen or other piece when it reaches the eighth rank. 

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