double-deal vs finagle

double-deal

finagle

verb
  • To cheat or swindle; to use crafty, deceitful methods. (often with "out of" preceding the object) 

  • To obtain, arrange, or achieve by deceitful methods, by trickery. 

  • To obtain, arrange, or achieve by indirect, complicated and/or intensive efforts. 

How often have the words double-deal and finagle occurred in a corpus of books? (source: Google Ngram Viewer )