acerbate vs rattle someone's cage

acerbate

verb
  • To make bitter or sour. 

  • To exasperate; to irritate. 

adj
  • Embittered; having a sour disposition or nature. 

rattle someone's cage

verb
  • To anger or to annoy. 

  • To demand attention from someone; to nag, nudge, or remind someone. 

How often have the words acerbate and rattle someone's cage occurred in a corpus of books? (source: Google Ngram Viewer )