chills vs coolness

chills

noun
  • A feeling of being cold, a symptom of many conditions. 

  • A biological response to being tickled; being cold; or experiencing fear, euphoria or sexual arousal in which the person forms goose bumps. 

coolness

noun
  • The state of being cool, i.e. chilly. 

  • Indifference; lack of passion or interest. 

  • The state of being cool, i.e. calm. 

  • The state of being cool, i.e. good or pleasing. 

  • The result or product of being cool, i.e. good or pleasing. 

  • The result or product of being cool, i.e. chilly. 

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