acerbate vs reek

acerbate

verb
  • To exasperate; to irritate. 

  • To make bitter or sour. 

adj
  • Embittered; having a sour disposition or nature. 

reek

verb
  • To be evidently associated with something unpleasant. 

  • To have or give off a strong, unpleasant smell. 

noun
  • Vapour; steam; smoke; fume. 

  • A hill; a mountain. 

  • A strong unpleasant smell. 

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