oomph vs strongheartedness

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. 

strongheartedness

noun

  • Courage, bravery. 

  • Resilience, endurance. 

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