affirmation vs silence

affirmation

noun
  • A form of self-forced meditation or repetition; autosuggestion. 

  • That which is affirmed; a declaration that something is true. 

  • The solemn declaration made by Quakers and others incapable of taking an oath. 

silence

noun
  • deadly silence 

  • The act of refraining from speaking. 

  • The absence of any sound. 

verb
  • To repress the expression of something. 

  • To suppress criticism, etc. 

  • To block gene expression. 

  • To murder. 

  • To make (someone or something) silent. 

intj
  • Be silent. 

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