Confederate States vs South

Confederate States

name

  • Synonym of Confederate States of America 

South

name

  • Those states which formed the Confederacy during the American Civil War. 

  • The south-eastern states of the United States, including many of the same states as formed the Confederacy. 

  • The Global South. 

  • A surname. 

  • The southern part of any region; alternative letter-case form of south. 

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