munchkin vs successor

munchkin

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

  • A person of very short stature. 

  • A child. 

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

successor

noun
  • A person or thing that immediately follows another in holding an office or title. 

  • The next heir in order or succession. 

  • The integer, ordinal number or cardinal number immediately following another. 

  • A person who inherits a title or office. 

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