discontent vs disgruntlement

discontent

noun
  • Dissatisfaction. 

  • A longing for better times or circumstances. 

  • A discontented person; a malcontent. 

adj
  • Not content; discontented; dissatisfied. 

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

disgruntlement

noun
  • The state of being disgruntled, usually displayed in a stereotypical form such as frowning and annoyance; the acts of sulky dissatisfaction. 

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