kindness vs repulsion

kindness

noun
  • The state of being kind. 

  • An instance of kind or charitable behaviour. 

repulsion

noun
  • An extreme dislike of something, or hostility to something. 

  • The repulsive force acting between bodies of the same electric charge or magnetic polarity. 

  • The act of repelling or the condition of being repelled. 

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