dupe vs fainaigue

dupe

verb
  • To swindle, deceive, or trick. 

  • To duplicate. 

noun
  • A duplicate of an order receipt printed for kitchen staff. 

  • A duplicate of a photographic image. 

  • A person who has been deceived. 

  • A duplicate. 

  • A counterfeit; a fake. 

fainaigue

verb
  • To cheat or deceive (someone). 

  • To evade work or shirk responsibility. 

  • To renege (“break one's commitment to follow suit when capable”). 

  • To achieve or obtain (something) by complicated or deceitful methods; to finagle, to wangle. 

  • To fail to keep a promise; to renege. 

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