churlish vs uncompatible

churlish

adj
  • Difficult to till, lacking pliancy; unmanageable. 

  • Stingy or grudging. 

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

  • Rude, surly, ungracious. 

uncompatible

adj
  • Incompatible. 

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