Circe vs Mata Hari

Circe

name
  • A woman having the characteristics of Circe; an enchantress. 

  • 34 Circe, a main belt asteroid. 

  • An enchantress who turned Odysseus' men into pigs. 

Mata Hari

noun
  • Any exotic female spy. 

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