passionateness vs vehemence

passionateness

noun
  • The condition of being passionate. 

  • A passionate act. 

vehemence

noun
  • Eagerness, fervor, excessive strong feeling. 

  • A wild or turbulent ferocity or fury. 

  • An intense concentration, force or power. 

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