colonize vs occupy

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. 

occupy

verb
  • To have, or to have taken, possession or control of (a territory). 

  • To fill space. 

  • To fill. 

  • To live or reside in. 

  • To possess or use the time or capacity of; to engage the service of. 

  • To fill or hold (an official position or role). 

  • To hold the attention of. 

  • To place the theodolite or total station at (a point). 

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