Muppet vs undead

Muppet

noun
  • One of a group of established puppet characters acting as a sort of repertory company on The Muppet Show, and/or appearing on Sesame Street. 

  • A type of puppet created by Jim Henson or his studio, typically operated with one hand of the puppeteer inside the head and a rod or glove to move one arm of the puppet. 

  • A term of endearment, used with a young girl 

undead

noun
  • A creature that is undead; that is, dead but still animate. 

  • Those creatures which are undead; that is, dead yet still animate. 

adj
  • Being animate, though non-living. 

  • Pertaining to a corpse, though having qualities of life. 

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