assign vs relegate

assign

verb
  • To attribute or sort (something) into categories. 

  • To give (a value) to a variable. 

  • To allot or give (something) as a task. 

  • To designate or set apart (something) for some purpose. 

  • To categorize (someone) as belonging to the male or female sex. 

  • To transfer (property, a legal right, etc.) from one person to another. 

  • To appoint or select (someone) for some office. 

noun
  • An assignee. 

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. 

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