Johnny Reb vs Southerner

Johnny Reb

noun
  • Synonym of Confederate: a citizen of the Confederate States of America, particularly a Confederate soldier. 

  • Synonym of Confederate States of America. 

Southerner

noun
  • Synonym of Confederate: a citizen of the Confederate States of America. 

  • A resident of the American South, often specifically a white resident of the American South. 

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