factious vs litigious

factious

adj
  • Of, pertaining to, or caused by factions. 

  • Given to or characterized by discordance or insubordination. 

litigious

adj
  • Of or relating to litigation. 

  • Inclined to engage in lawsuits. 

  • Argumentative or combative. 

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