recorder vs varan

recorder

noun
  • An apparatus for recording; a device which records. 

  • A musical instrument of the woodwind family; a type of fipple flute, a simple internal duct flute. 

  • A judge in a municipal court. 

varan

noun
  • The monitor lizard. 

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