confirm vs recant

confirm

verb
  • To administer the sacrament of confirmation on (someone). 

  • To assure the accuracy of previous statements. 

  • To strengthen; to make firm or resolute. 

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. 

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