expiation vs overcompensation

expiation

noun
  • An act of atonement for a sin or wrongdoing. 

overcompensation

noun
  • An excess amount provided in one area in an effort to overcome a perceived lack in another area. 

  • Excessive pay or reward provided for work performed. 

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