coldness vs fervor

coldness

noun
  • The relative lack of heat. 

  • Limited enthusiasm or affection; coolness. 

  • The sensation resulting from exposure to low temperatures. 

  • The reciprocal of absolute temperature. 

fervor

noun
  • Heat. 

  • An intense, heated emotion; passion, ardor. 

  • A passionate enthusiasm for some cause. 

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