muggle vs philosophical zombie

muggle

noun
  • A person who has no magical abilities. 

  • A person not involved in the pastime of geocaching. 

  • A person who lacks a particular ability or skill; a non-specialist; also, a person who is not a member of a group; an outsider. 

verb
  • Often followed by along: to live or work in an unorganized and unplanned way; to muddle along. 

  • To deface, destroy, or remove a geocache. 

philosophical zombie

noun
  • Any imaginary being that lacks consciousness but is used to illuminate various philosophical concepts. 

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