deprive vs nullify

deprive

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

  • To degrade (a clergyman) from office. 

  • To bereave. 

nullify

verb
  • To prevent from happening. 

  • To make of no use or value; to cancel out. 

  • To make legally invalid. 

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