postdate vs prey

postdate

verb
  • To affix a date to after the event. 

  • To occur after an event or time; to exist later on in time 

  • To assign an effective date to a document or action later than the actual date 

noun
  • A date on a document later than the real date on which it was written. 

prey

noun
  • That which is or may be seized by animals or birds to be devoured 

  • A person or thing given up as a victim. 

  • A living thing that is eaten by another living thing. 

  • The victim of a disease. 

verb
  • To act as a predator. 

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