buy into vs divest

buy into

verb
  • To buy stocks or shares of (a business). 

  • To believe; to accept a craze or fad as valid. 

divest

verb
  • To sell off or be rid of through sale, especially of a subsidiary. 

  • To strip, deprive, or dispossess (someone) of something (such as a right, passion, privilege, or prejudice). 

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