exhilarate vs scare off

exhilarate

verb
  • To excite, to thrill. 

  • To cheer, to cheer up, to gladden, to make happy. 

scare off

verb
  • To cause (something) to flee by frightening it. 

  • To deter 

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