disaffirmation vs voiding

disaffirmation

noun
  • The act of denial; a declaration that something is not true. 

  • Repudiation of self or other. 

voiding

noun
  • An act by which something is voided, such as urination. 

  • That which is voided; that which is ejected or evacuated; a remnant; a fragment. 

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