discontent vs exasperation

discontent

noun
  • A discontented person; a malcontent. 

  • Dissatisfaction. 

  • A longing for better times or circumstances. 

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

adj
  • Not content; discontented; dissatisfied. 

exasperation

noun
  • The act of exasperating or the state of being exasperated; irritation; keen or bitter anger. 

  • Increase of violence or malignity; aggravation; exacerbation. 

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