anonym vs hypocoristic

anonym

noun
  • A mere name; a name resting upon no diagnosis or other recognized basis. 

  • An anonymous person. 

  • An assumed or false name; a pseudonym. 

hypocoristic

noun
  • A nickname, especially one indicating intimacy and formed through a shortening of the original name. 

adj
  • Relating to a nickname, usually indicating intimacy with the person. 

  • Relating to baby talk. 

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