confound vs promote

confound

verb
  • To stun or amaze. 

  • To combine in a confused fashion; to mingle so as to make the parts indistinguishable. 

  • To make something worse. 

  • To cause to be ashamed; to abash. 

  • To defeat, to frustrate, to thwart. 

  • To fail to see the difference; to mix up; to confuse right and wrong. 

  • To perplex or puzzle. 

noun
  • A confounding variable. 

promote

verb
  • To encourage, urge or incite. 

  • 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 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 confound and promote occurred in a corpus of books? (source: Google Ngram Viewer )