hijack vs take over

hijack

verb
  • To seize control of some process or resource to achieve a purpose other than its originally intended one. 

  • To seize control of a networked computer by means of infecting it with a worm or other malware, thereby turning it into a zombie. 

  • To forcibly seize control of some vehicle in order to rob it or to reach a destination (especially an airplane, truck or a boat). 

  • To introduce an amendment deleting the contents of a bill and inserting entirely new provisions. 

  • To change software settings without a user's knowledge so as to force that user to visit a certain web site. 

noun
  • An instance of hijacking; the illegal seizure of a vehicle; a hijacking. 

  • An instance of a seizure and redirection of a process. 

  • An amendment which deletes the contents of a bill and inserts entirely new provisions. 

  • Preflop, the position two before the dealer. 

take over

verb
  • To assume control of something, especially by force; to usurp. 

  • To become more successful (than someone or something else). 

  • To appropriate something without permission. 

  • To adopt a further responsibility or duty. 

  • To buy out the ownership of a business. 

  • To relieve someone temporarily. 

  • To annex a territory by conquest or invasion. 

  • Used other than figuratively or idiomatically: see take, over. 

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