quittance vs wage

quittance

noun
  • A discharge from a debt or obligation; a document that shows this discharge. 

  • A release or acquittal. 

wage

verb
  • To conduct or carry out (a war or other contest). 

  • To adventure, or lay out, for hire or reward; to hire out. 

noun
  • An amount of money paid to a worker for a specified quantity of work, usually calculated on an hourly basis and expressed in an amount of money per hour. 

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