munchkin vs offspring

munchkin

noun
  • A person of very short stature. 

  • A player who mainly concentrates on increasing their character's power and capabilities. 

  • A child. 

  • Synonym of donut hole (“ball-shaped pastry”) (genericization of the Dunkin trademark "Munchkin") 

offspring

noun
  • All of a person's descendants, including further generations. 

  • An animal or plant's progeny or young. 

  • Anything produced; the result of an entity's efforts. 

  • A person's daughter(s) and/or son(s); a person's children. 

  • A process launched by another process. 

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