masterstroke vs sleight

masterstroke

noun
  • An action which demonstrates great skill or artistry. 

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 masterstroke and sleight occurred in a corpus of books? (source: Google Ngram Viewer )