birl vs kink

birl

verb
  • To spin. 

  • To cause (a floating log) to rotate by treading on it. 

  • To throw down a coin as one's share in a joint contribution. 

noun
  • A type of grace note movement that quickly switches between low-A and low-G several times, producing a low rippling sound. 

  • A girl of boyish appearance. 

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