fling vs passivity

fling

noun
  • An act of throwing, often violently. 

  • A short romantic, oftentimes sexual, relationship. 

  • An attempt, a try (as in "give it a fling"). 

  • A lively Scottish country dance. 

  • An act or period of unrestrained indulgence. 

  • An act of moving the limbs or body with violent movements, especially in a dance. 

verb
  • To throw with violence or quick movement; to hurl. 

passivity

noun
  • A lack of initiative. 

  • The state of being passive. 

  • Submissiveness. 

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