spank vs twirl

spank

verb
  • To move rapidly. 

  • To beat, smack or slap a person's buttocks, with the bare hand or other object, as punishment, gesture, or form of sexual interaction. 

  • To hit very hard. 

  • To soundly defeat, to trounce. 

noun
  • A slapping sound, as produced by spanking. 

  • An instance of spanking, separately or part of a multiple blows-beating; a smack, swat, or slap. 

twirl

verb
  • To rotate rapidly. 

  • To twist round. 

  • To pitch. 

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