oomph vs unimaginativeness

oomph

verb
  • To produce a bassy grunting or thudding sound. 

noun
  • A bassy grunting or thudding sound. 

  • Strength, power, passion or effectiveness; clout. 

  • Sex appeal. 

unimaginativeness

noun
  • Lack of imagination. 

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