acerbate vs drive someone crazy

acerbate

verb
  • To exasperate; to irritate. 

  • To make bitter or sour. 

adj
  • Embittered; having a sour disposition or nature. 

drive someone crazy

verb
  • To annoy or irritate. 

  • To cause to be infatuated. 

  • To cause someone to become insane. 

How often have the words acerbate and drive someone crazy occurred in a corpus of books? (source: Google Ngram Viewer )