call back vs recant

call back

verb
  • To request someone's return. 

  • To telephone someone again at a more convenient time. 

  • To return to a shop or residence one has previously visited. 

noun
  • Request for a second interview or audition, following a successful initial interview. 

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