hypocoristic vs nomenclature

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. 

nomenclature

noun
  • A set of names or terms. 

  • A set of rules used for forming the names or terms in a particular field of arts or sciences. 

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