acerbate vs rub one the wrong way

acerbate

adj

  • Embittered; having a sour disposition or nature. 

verb

  • To exasperate; to irritate. 

  • To make bitter or sour. 

rub one the wrong way

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