disappointed vs malcontent

disappointed

adj
  • Defeated of expectations or hope; experiencing disappointment; let down. 

  • Expressing or indicating disappointment. 

  • Having had a marriage proposal rejected. 

malcontent

adj
  • Dissatisfied with current conditions; disaffected, discontented, rebellious. 

noun
  • A person who is not satisfied with current conditions; a discontented person, a rebel. 

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