skelp vs twirl

skelp

verb
  • To bend round (a skelp) in tube-making. 

  • To move briskly along. 

  • To beat or slap. 

  • To form (a plate or bar of metal, etc.) into a skelp. 

noun
  • A narrow strip of rolled or forged metal, ready to be bent and welded to form a pipe. 

  • A blow; a smart stroke. 

  • A large portion. 

  • A squall; a heavy fall of rain. 

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 skelp and twirl occurred in a corpus of books? (source: Google Ngram Viewer )