imitation vs sleight

imitation

noun
  • The act of imitating. 

  • A copy or simulation; something that is not the real thing. 

sleight

noun
  • An artful trick; sly artifice; a feat so dexterous that the manner of performance escapes observation. 

  • Cunning; craft; artful practice. 

  • Dexterous practice; dexterity; skill. 

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