acetosity vs discontent

acetosity

noun
  • The quality of being acetous; sourness. 

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. 

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