rancor vs sweetness

rancor

noun
  • A feeling of long-lasting ire for another, sometimes to the point of hatred, over a perceived wrongdoing; bitterness. 

  • Rancidity, rankness. 

sweetness

noun
  • The condition of being sweet or sugary. 

  • A pleasant disposition; kindness. 

  • Term of address for one's sweetheart. 

  • The quality of giving pleasure to the mind or senses, pleasantness, agreeableness. 

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