labefaction vs undoing

labefaction

noun
  • The act of shaking or weakening or the resulting state; overthrow, ruination. 

undoing

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

  • Annulment; reversal 

  • The act of loosening or unfastening 

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