STing vs lowdown

STing

noun
  • Storytelling in the context of a tabletop role-playing game, especially one published by White Wolf. 

lowdown

noun
  • inside information, the story or truth. 

  • A lowlife, a despicable person. 

adj
  • Unfair; shameful. 

  • down low; purporting to be heterosexual while engaged in sex with men. 

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