install vs unseat

install

verb
  • To connect, set up or prepare something for use, often specifically (in Computing) to transfer software onto a device's permanent storage and put it in a state where it is ready to be run when needed, usually decompressing it if necessary and performing any necessary pre-first-run configuration. 

  • To admit formally into an office, rank or position. 

  • To establish or settle in. 

noun
  • An installation. (Usage originated as a truncated form of the word installation.) 

  • Installer. A software utility that installs an application. 

unseat

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

  • 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 install and unseat occurred in a corpus of books? (source: Google Ngram Viewer )