exempt vs reprieve

exempt

verb
  • To grant (someone) freedom or immunity from. 

noun
  • One of four officers of the Yeomen of the Royal Guard, having the rank of corporal; an exon. 

  • One who has been released from something. 

  • A type of French police officer. 

adj
  • Free from a duty or obligation. 

  • Not entitled to overtime pay when working overtime. 

reprieve

verb
  • To bring relief to someone. 

  • To abandon or postpone plans to close, withdraw or abolish (something). 

  • To cancel or postpone the punishment of someone, especially an execution. 

noun
  • A document authorizing such an action. 

  • Relief from pain etc., especially temporary. 

  • A cancellation or postponement of a proposed event undesired by many. 

  • The cancellation or postponement of a punishment. 

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