Delilah vs femme fatale

Delilah

noun
  • A beautiful, cunning and treacherous woman; a femme fatale. 

  • A libertine; a harlot; a woman of loose morals. 

name
  • A female given name from Hebrew of Biblical origin. 

  • The mistress of Samson who betrayed him to the Philistines. 

femme fatale

noun
  • An attractive and seductive but ultimately dangerous woman. 

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