litigious vs turbulent

litigious

adj
  • Argumentative or combative. 

  • Inclined to engage in lawsuits. 

  • Of or relating to litigation. 

turbulent

adj
  • violently disturbed or agitated; tempestuous, tumultuous 

  • being in, or causing, disturbance or unrest 

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