oomph vs sexual relations

oomph

noun

  • Sex appeal. 

  • A bassy grunting or thudding sound. 

  • Strength, power, passion or effectiveness; clout. 

verb

  • To produce a bassy grunting or thudding sound. 

sexual relations

noun

  • The act of sexual intercourse. 

  • Sexual activities between individuals. 

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