mutiny vs rock the boat

mutiny

verb
  • To commit a mutiny. 

noun
  • An organized rebellion against a legally constituted authority, especially by seamen against their officers. 

  • Violent commotion; tumult; strife. 

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 mutiny and rock the boat occurred in a corpus of books? (source: Google Ngram Viewer )