eccentricity vs kink

eccentricity

noun
  • The quality of being eccentric or odd; any eccentric behaviour. 

  • The ratio, constant for any particular conic section, of the distance of a point from the focus to its distance from the directrix. 

  • The eccentricity of the conic section (usually an ellipse) defined by the orbit of a given object around a reference object (such as that of a planet around the sun). 

kink

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

  • 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. 

  • 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. 

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