deceit vs dualism

deceit

noun
  • The state of being deceitful or deceptive. 

  • An act or practice intended to deceive; a trick. 

  • An act of deceiving someone. 

  • The tort or fraudulent representation of a material fact made with knowledge of its falsity, or recklessly, or without reasonable grounds for believing its truth and with intent to induce reliance on it; the plaintiff justifiably relies on the deception, to his injury. 

dualism

noun
  • Duality; the condition of being double. 

  • The belief that the world is ruled by a pair of antagonistic forces, such as good and evil; the belief that man has two basic natures, the physical and the spiritual. 

  • The view that the world consists of, or is explicable in terms of, two fundamental principles, such as mind and matter or good and evil. 

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