kink vs shifter

kink

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

  • 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. 

  • 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. 

verb
  • To laugh loudly. 

  • To be formed into a kink or twist. 

  • To form a kink or twist. 

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

shifter

noun
  • An arrangement for shifting a belt sidewise from one pulley to another. 

  • A word whose meaning changes depending on the situation, as by deixis. 

  • A switcher or shunter: a railroad locomotive used for shunting. 

  • One who, or that which, shifts or changes. 

  • An assistant to the ship's cook in washing, steeping, and shifting the salt provisions. 

  • A component used by the rider to control the gearing mechanisms and select the desired gear ratio, usually connected to the derailleur by a mechanical actuation cable. 

  • A genre of erotica focusing on lycanthropes or other shapeshifters, such as werewolves. 

  • A spanner with an adjustable jaw size. 

  • A person who changes the reality their consciousness resides in, through meditation or other means. 

  • A wire for changing a loop from one needle to another, as in narrowing, etc. 

  • A person employed to repair the horseways and other passages, and keep them unobstructed. 

  • A shape-shifter, or a person or other being capable of changing their physical form. 

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