oomph vs vehemence

oomph

noun
  • Strength, power, passion or effectiveness; clout. 

  • A bassy grunting or thudding sound. 

  • Sex appeal. 

verb
  • To produce a bassy grunting or thudding sound. 

vehemence

noun
  • An intense concentration, force or power. 

  • A wild or turbulent ferocity or fury. 

  • Eagerness, fervor, excessive strong feeling. 

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