Johnny Reb vs rebel

Johnny Reb

noun

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

  • Synonym of Confederate States of America. 

rebel

noun

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

  • A person who resists an established authority, often violently. 

verb

  • To resist or become defiant toward an authority. 

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