compulsory purchase vs dispossession

compulsory purchase

noun
  • The power of a state to expropriate private land within its jurisdiction for public use. 

dispossession

noun
  • The act of dispossessing someone of something. 

  • The casting out of an evil spirit that has possessed someone; exorcism. 

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