abjure vs recant

abjure

verb
  • To reject with solemnity; to abandon forever; to repudiate; to disclaim. 

  • To abstain from; to avoid; to shun. 

  • To renounce upon oath; to forswear; to disavow. 

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