confuse vs prevail

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. 

prevail

verb
  • To succeed in persuading or inducing. 

  • To be current, widespread, or predominant; to have currency or prevalence. 

  • To be superior in strength, dominance, influence, or frequency; to have or gain the advantage over others; to have the upper hand; to outnumber others. 

  • To triumph; to be victorious. 

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