confuse vs institute

confuse

verb
  • To mix thoroughly; to confound; to disorder. 

  • to puzzle, perplex, baffle, bewilder (somebody); to afflict by being complicated, contradictory, or otherwise difficult to understand 

  • To mix up, muddle up (one thing with another); to mistake (one thing for another). 

  • To be confused. 

institute

verb
  • To begin or initiate (something); to found. 

  • To invest with the spiritual charge of a benefice, or the care of souls. 

  • To nominate; to appoint. 

noun
  • An organization founded to promote a cause 

  • The person to whom an estate is first given by destination or limitation. 

  • An institution of learning; a college, especially for technical subjects 

  • The building housing such an institution 

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