dour vs unjoyful

dour

adj
  • Expressing gloom or melancholy. 

  • Stern, harsh and forbidding. 

  • Unyielding and obstinate. 

unjoyful

adj
  • Not joyful; unhappy; joyless; sad. 

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