debauch vs gang bang

debauch

noun
  • An orgy. 

  • An individual act of debauchery. 

verb
  • To debase (something); to lower the value of (something). 

  • To indulge in revelry. 

  • To morally corrupt (someone); to seduce. 

gang bang

noun
  • An orgy, especially a sexual one. 

  • Protecting gang turf, especially when dealing drugs or other black market objects. 

  • A gang fight. 

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