promote vs put back

promote

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

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

  • To elevate to a higher league. 

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

  • 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. 

put back

verb
  • To return something to its original place. 

  • To turn back; to return. 

  • To postpone an arranged event or appointment. 

  • To change the time in a time zone to an earlier time. 

  • To drink fast; to knock down alcohol. 

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