disclosure vs dissimulation

disclosure

noun
  • The making known of a previously hidden fact or series of facts to another party; the act of disclosing. 

  • The act of revealing something. 

  • That which is disclosed; a previously hidden fact or series of facts that is made known. 

dissimulation

noun
  • The act of concealing the truth; hypocrisy or deception. 

  • Hiding one's feelings or intentions. 

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