colonize vs take over

colonize

verb
  • To intrude into and take over (the autonomy, experience, social movement, etc, of a less powerful person or group); to commandeer or appropriate. 

  • To begin a colony or colonies. 

  • To settle (a place) with colonists, and hence make (a place) into a colony. 

  • To settle among and establish control over (the indigenous people of an area). 

  • To settle (a group of people, a species, or the like) in a place as a colony. 

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 colonize and take over occurred in a corpus of books? (source: Google Ngram Viewer )