repudiate vs uphold

repudiate

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

  • To be repudiated. 

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

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

uphold

verb
  • To support by approval or encouragement, to confirm (something which has been questioned) 

  • To keep erect; to support; to sustain; to keep from falling 

  • To hold up; to lift on high; to elevate. 

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