make waves vs rock the boat

make waves

verb
  • To upset the status quo. 

  • Used other than figuratively or idiomatically: see make, wave. 

  • To cause a disturbance. 

rock the boat

verb
  • To disturb the status quo or go against rules or conventions, as in an effort to get attention. 

  • I'd just jump in and fix it, but that's not my job, and I don't want to rock the boat. 

How often have the words make waves and rock the boat occurred in a corpus of books? (source: Google Ngram Viewer )