sleight of hand vs thaumaturgy

sleight of hand

noun
  • The required digital dexterity behind magic tricks and illusions. 

  • A performance of such skill. 

  • Any form of skillful deception. 

thaumaturgy

noun
  • The working of miracles, wonderworking; magic, witchcraft, wizardry. 

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