approve vs repudiate

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. 

repudiate

verb
  • To refuse to have anything to do with; to disown. 

  • To be repudiated. 

  • To reject the truth or validity of; to deny. 

  • To refuse to pay or honor (a debt). 

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