discontent vs querulant

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. 

querulant

noun
  • One who has obsessive feelings of having been wronged. 

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