confuse vs expect

confuse

verb
  • To be confused. 

  • 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 mix thoroughly; to confound; to disorder. 

expect

verb
  • To be pregnant, to consider a baby due. 

  • To consider obligatory or required. 

  • To predict or believe that something will happen 

  • To consider reasonably due. 

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