pawn vs undertake

pawn

verb
  • To pledge; to stake or wager. 

  • To give as security on a loan of money; especially, to deposit (something) at a pawn shop. 

noun
  • A gallery. 

  • Someone who is being manipulated or used to some end. 

  • An instance of pawning something. 

  • A pawnshop; pawnbroker. 

  • The state of being held as security for a loan, or as a pledge. 

  • The most numerous chess piece, or a similar piece in a similar game. In chess, each side starts with eight; moves are only forward, and attacks are only diagonally or en passant. 

undertake

verb
  • To commit oneself (to an obligation, activity etc.). 

  • To pass a slower moving vehicle on the curbside rather than on the side closest to oncoming traffic. 

  • To take upon oneself; to start, to embark on (a specific task etc.). 

noun
  • The passing of slower traffic on the curbside rather than on the side closest to oncoming traffic. 

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