recant vs uphold

recant

verb
  • To withdraw or repudiate a statement or opinion formerly expressed, especially formally and publicly. 

  • To give a new cant (slant, angle) to something, in particular railway track on a curve. 

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 recant and uphold occurred in a corpus of books? (source: Google Ngram Viewer )