chagrin vs discontent

chagrin

verb
  • To bother or vex; to mortify. 

noun
  • Distress of mind caused by a failure of aims or plans, want of appreciation, mistakes etc; vexation or mortification. 

  • A type of leather or skin with a rough surface. 

discontent

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

noun
  • Dissatisfaction. 

  • A longing for better times or circumstances. 

  • A discontented person; a malcontent. 

adj
  • Not content; discontented; dissatisfied. 

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