enmity vs kindness

enmity

noun
  • A state or feeling of opposition, hostility, hatred or animosity. 

  • The quality of being an enemy; hostile or unfriendly disposition. 

kindness

noun
  • The state of being kind. 

  • An instance of kind or charitable behaviour. 

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