recoup vs retrieve

recoup

verb
  • To make back, as an investment. 

  • To reimburse; to indemnify; often used reflexively and in the passive. 

  • To recover from an error. 

  • To keep back rightfully (a part), as if by cutting off, so as to diminish a sum due; to take off (a part) from damages; to deduct. 

retrieve

verb
  • To regain or get back something. 

  • To remember or recall something. 

  • To fetch and bring in game. 

  • To salvage something 

  • To make a difficult but successful return of the ball. 

  • To fetch and bring in game systematically. 

  • To fetch or carry back something, especially (computing) a file or data record. 

  • To rescue (a creature). 

  • To remedy or rectify something. 

  • To fetch or carry back systematically, notably as a game. 

noun
  • The return of a difficult ball 

  • A retrieval 

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