CG vs GC

CG

noun
  • in a visual novel: a unique, static full-screen image, usually displayed to illustrate a significant event in the story. 

  • cover girl 

  • coast guard 

  • guided missile cruiser 

  • the statistic reporting the number of "Complete Games" thrown by a pitcher 

GC

name
  • the General Committee, the general management committee of a constituency party of the British Labour Party 

  • Nintendo GameCube 

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