kink vs wrinkle

kink

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

  • 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. 

  • 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. 

wrinkle

noun
  • A fault, imperfection or bug especially in a new system or product; typically, they will need to be ironed out. 

  • A twist on something existing; a novel difference. 

  • A small furrow, ridge or crease in an otherwise smooth surface. 

  • A winkle 

  • A line or crease in the skin, especially when caused by age or fatigue. 

verb
  • To develop irreversibly wrinkles; to age. 

  • To make wrinkles in; to cause to have wrinkles. 

  • To pucker or become uneven or irregular. 

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