rebel vs turncoat

rebel

verb
  • To resist or become defiant toward an authority. 

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. 

turncoat

verb
  • To act as a turncoat; to betray 

noun
  • A traitor; one who turns against a previous affiliation or allegiance. 

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