disapproval vs discontent

disapproval

noun
  • The act of disapproving; condemnation. 

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. 

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