relegate vs unseat

relegate

verb
  • Exile or banish to a particular place. 

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

  • 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. 

unseat

verb
  • To remove from some (especially political) position or office; to dethrone. 

  • To cause something to be removed or replaced in its role; to displace, overturn. 

  • To upset the composure of (in various ways); to astound, shock, or unsettle. 

  • To come out or off of a seat. 

  • To remove or dislodge from a seat (especially referring to horse riding). 

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