contort vs twirl

contort

verb
  • To twist in a violent manner. 

  • To twist into or as if into a strained shape or expression. 

twirl

verb
  • To twist round. 

  • To pitch. 

  • To rotate rapidly. 

  • To perform a twirl. 

noun
  • A little twist of some substance; a swirl. 

  • A movement where a person spins round elegantly; a pirouette. 

  • Any rotating movement; a spin. 

  • A prison guard. 

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