relegate vs upgrade

relegate

verb
  • 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. 

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

  • 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. 

upgrade

verb
  • To improve in condition or status. 

  • To improve, usually applied to technology, generally by complete replacement of one or more components 

  • To replace with something better. 

  • To improve the equipment or furnishings of or services rendered to 

  • To replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name. 

adv
  • Up a slope or grade. 

noun
  • An upward grade or slope. 

  • An improvement 

  • An improved component or replacement item, usually applied to technology 

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