curve vs kink

curve

verb
  • To bend or turn gradually from a given direction. 

  • To bend; to crook. 

  • To grade on a curve (bell curve of a normal distribution). 

  • (slang) To reject, to turn down romantic advances. 

  • To cause to swerve from a straight course. 

noun
  • A grading system based on the scale of performance of a group used to normalize a right-skewed grade distribution (with more lower scores) into a bell curve, so that more can receive higher grades, regardless of their actual knowledge of the subject. 

  • An algebraic curve; a polynomial relation of the planar coordinates. 

  • A one-dimensional figure of non-zero length; the graph of a continuous map from a one-dimensional space. 

  • A one-dimensional continuum. 

  • A simple figure containing no straight portions and no angles; a curved line. 

  • A gentle bend, such as in a road. 

  • The attractive shape of a woman's body. 

  • A continuous map from a one-dimensional space to a multidimensional space. 

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 curve and kink occurred in a corpus of books? (source: Google Ngram Viewer )