deprive vs memory-hole

deprive

verb
  • To take something away from (someone) and keep it away; to deny someone something. 

  • To degrade (a clergyman) from office. 

  • To bereave. 

memory-hole

verb
  • To cause something or someone to be forgotten. 

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