disputable vs litigious

disputable

adj
  • Of opinions, propositions or questions, subject to dispute; not settled. 

litigious

adj
  • Argumentative or combative. 

  • Inclined to engage in lawsuits. 

  • Of or relating to litigation. 

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