readmit vs shrive

readmit

verb
  • To admit, or allow to enter, again. 

shrive

verb
  • To confess, and receive absolution. 

  • To hear or receive a confession (of sins etc.) 

  • To prescribe penance or absolution. 

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