extort vs kink

extort

verb
  • To twist outwards. 

  • To take or seize from an unwilling person by physical force, menace, duress, torture, or any undue or illegal exercise of power or ingenuity. 

  • To obtain by means of the offense of extortion. 

kink

verb
  • To form a kink or twist. 

  • To laugh loudly. 

  • To be formed into a kink or twist. 

  • To gasp for breath as in a severe fit of coughing. 

noun
  • A convulsive fit of coughing or laughter; a sonorous indraft of breath; a whoop; a gasp of breath caused by laughing, coughing, or crying. 

  • A positive 1-soliton solution to the sine-Gordon equation. 

  • A tight curl, twist, or bend in a length of thin material, hair etc. 

  • An unreasonable notion; a crotchet; a whim; a caprice. 

  • A difficulty or flaw that is likely to impede operation, as in a plan or system. 

  • Peculiarity or deviation in sexual behaviour or taste. 

  • A person with peculiar sexual tastes. 

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