Jezebel vs woman of easy virtue

Jezebel

noun
  • A woman who is evil, scheming, shameless, or immoral. 

  • Any of various pierid butterflies of the genus Delias. 

name
  • The Phoenician princess and Queen of Ancient Israel who appears in the Old Testament (1 Kings & 2 Kings). She incited heresy and lured the Jews away from their God and back to idols. 

woman of easy virtue

noun
  • A prostitute. 

How often have the words Jezebel and woman of easy virtue occurred in a corpus of books? (source: Google Ngram Viewer )