accept vs co-opt

accept

verb
  • To receive, especially with a consent, with favour, or with approval. 

  • To admit to a place or a group. 

  • To acknowledge patiently without opposition or resistance. 

  • To endure patiently. 

  • To regard as proper, usual, true, or to believe in. 

  • To agree to pay. 

  • To receive officially. 

  • To receive as adequate or satisfactory. 

  • To receive or admit to; to agree to; to assent to; to submit to. 

  • To receive something willingly. 

co-opt

verb
  • To commandeer, appropriate or take over. 

  • To absorb or assimilate into an established group. 

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

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