acerbate vs overset

acerbate

verb
  • To exasperate; to irritate. 

  • To make bitter or sour. 

adj
  • Embittered; having a sour disposition or nature. 

overset

verb
  • To physically disturb (someone); to make nauseous, upset. 

  • To knock over, capsize, overturn. 

  • To overfill. 

  • To turn, or to be turned, over; to be upset; to capsize. 

  • to set (type or copy) in excess of what is needed; to set too much type for a given space. 

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