cave-in vs deprivation

cave-in

deprivation

noun
  • lack 

  • The act of depriving, dispossessing, or bereaving; the act of deposing or divesting of some dignity. 

  • The state of being deprived 

  • The taking away from a clergyman of his benefice, or other spiritual promotion or dignity. 

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