co-opt vs segregate

co-opt

verb
  • To absorb or assimilate into an established group. 

  • To elect as a fellow member of a group, such as a committee. 

  • To commandeer, appropriate or take over. 

segregate

verb
  • To separate, especially by social policies that directly or indirectly keep races or ethnic groups apart. 

adj
  • Separated from others of the same kind. 

  • Separate from a mass and collected together along lines of fraction. 

  • Separate; select. 

How often have the words co-opt and segregate occurred in a corpus of books? (source: Google Ngram Viewer )