approve vs rebel

approve

verb
  • To consider worthy (to); to be pleased (with); to accept. 

  • To officially sanction; to ratify; to confirm; to set as satisfactory. 

  • To make profit of; to convert to one's own profit — said especially of waste or common land appropriated by the lord of the manor. 

  • To regard as good; to commend; to be pleased with; to think well of. 

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. 

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