abrogation vs undoing

abrogation

noun
  • The act of abrogating; a repeal by authority; abolition. 

undoing

noun
  • The act of loosening or unfastening 

  • Annulment; reversal 

  • Ruin; defeat, (also) that which causes defeat or ruin. 

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