curmudgeon vs discontent

curmudgeon

noun
  • An ill-tempered person full of stubborn ideas or opinions. 

discontent

noun
  • A discontented person; a malcontent. 

  • Dissatisfaction. 

  • A longing for better times or circumstances. 

adj
  • Not content; discontented; dissatisfied. 

verb
  • To deprive of contentment; to make uneasy; to dissatisfy. 

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