delegate vs relegate

delegate

verb
  • to authorize someone to be a delegate 

  • (of a subdomain) to give away authority over a subdomain; to allow someone else to create sub-subdomains of a subdomain of one's own 

  • to commit a task to someone, especially a subordinate 

noun
  • A representative at a conference, etc. 

  • A type of variable storing a reference to a method with a particular signature, analogous to a function pointer. 

  • An appointed representative in some legislative bodies. 

  • A person authorized to act as representative for another; a deputy. 

relegate

verb
  • Submit (something) to someone else for appropriate action thereby; compare delegate. 

  • Assign (a thing) to an appropriate place or situation based on appraisal or classification. 

  • Exile or banish to a particular place. 

  • Remove or send to a place far away. 

  • Consign (a person or thing) to a place, position, or role of obscurity, insignificance, oblivion, lower rank or (especially) inferiority. 

  • Refer (a point of contention) to an authority in deference to the judgment thereof. 

  • Transfer (a sports team) to a lower-ranking league division. 

  • Banish from proximity to Rome for a set time; compare relegate. 

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