ambidextrousness vs dissimulation

ambidextrousness

noun
  • The state or quality of being ambidextrous. 

dissimulation

noun
  • Hiding one's feelings or intentions. 

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

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