passivity vs vehemence

passivity

noun
  • A lack of initiative. 

  • The state of being passive. 

  • Submissiveness. 

vehemence

noun
  • A wild or turbulent ferocity or fury. 

  • An intense concentration, force or power. 

  • Eagerness, fervor, excessive strong feeling. 

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