exhilarate vs narcotize

exhilarate

verb
  • To excite, to thrill. 

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

narcotize

verb
  • To dull the senses of (a person, place etc.). 

  • To make into a narcotic. 

  • To use a narcotic in order to make (someone) drowsy or insensible; to anesthetize, to drug. 

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