contradiction in terms vs deceit

contradiction in terms

noun
  • A phrase or expression in which the component words contradict one another, often unintentionally, or are claimed to do so when seen from a particular point of view. 

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. 

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