churlish vs stonehearted

churlish

adj
  • Rude, surly, ungracious. 

  • Stingy or grudging. 

  • Difficult to till, lacking pliancy; unmanageable. 

  • Of or pertaining to a serf, peasant, or rustic. 

stonehearted

adj
  • Hardhearted; pitiless; unfeeling. 

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