hypocoristic vs patronymic

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. 

patronymic

noun
  • A name acquired from one's father. 

  • A name acquired from one's father's, grandfather's or earlier (male) ancestor's first name. Some cultures use a patronymic where other cultures use a surname or family name; other cultures (like Russia) use both a patronymic and a surname. 

adj
  • Derived from one's ancestors. 

  • Derived from one's father. 

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