automaton vs undead

automaton

noun
  • A toy in the form of a mechanical figure. 

  • A machine or robot designed to follow a precise sequence of instructions. 

  • A person who acts like a machine or robot, often defined as having a monotonous lifestyle and lacking in emotion. 

  • A formal system, such as a finite-state machine or cellular automaton. 

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 automaton and undead occurred in a corpus of books? (source: Google Ngram Viewer )