fervor vs promptness

fervor

noun
  • Heat. 

  • An intense, heated emotion; passion, ardor. 

  • A passionate enthusiasm for some cause. 

promptness

noun
  • The habit of adhering to a designated time. 

  • The habit or characteristic of doing things without delay. 

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