contrivance vs gambit

contrivance

noun
  • Something overly artful or artificial. 

  • A means, such as an elaborate plan or strategy, to accomplish a certain objective. 

  • A (mechanical) device to perform a certain task. 

gambit

noun
  • Any ploy or stratagem. 

  • An opening in chess in which a minor piece or a pawn is sacrificed to gain an advantage. 

  • A remark intended to open a conversation. 

verb
  • To sacrifice (a pawn or minor piece) to gain an advantage. 

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