earnestness vs oomph

earnestness

noun
  • The quality of being earnest; sincerity; seriousness. 

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. 

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