acerbate vs fuck off

acerbate

verb
  • To exasperate; to irritate. 

  • To make bitter or sour. 

adj
  • Embittered; having a sour disposition or nature. 

fuck off

verb
  • To annoy, irritate. 

  • To fritter; to fuck around. 

  • To go to hell; to disappear or go away; to screw oneself. 

  • Used other than figuratively or idiomatically: see fuck, off. 

  • To die or leave unexpectedly. 

intj
  • Go away! Get lost! 

  • Expression of disagreement or disbelief. 

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