evoke vs prevent

evoke

verb
  • To call out; to draw out or bring forth. 

  • To cause the manifestation of something (emotion, picture, etc.) in someone's mind or imagination. 

  • To elicit a response. 

prevent

verb
  • To stop (an outcome); to keep from (doing something). 

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