litigious vs wrangling

litigious

adj
  • Inclined to engage in lawsuits. 

  • Argumentative or combative. 

  • Of or relating to litigation. 

wrangling

noun
  • a dispute; a contentious argument; a brawl 

  • dispute; disputation; quarreling 

  • contention; gainstriving 

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