Juliet vs Valentine

Juliet

name
  • A female given name from Latin. 

  • A woman who is or is with a great lover. 

  • The sixth moon of the planet Uranus. 

  • One of the main characters of William Shakespeare's play Romeo and Juliet. 

  • By analogy with the Shakespearean character, a woman who is in love with a man from a family, party, or country opposing that of her own. 

Valentine

name
  • A female given name from Latin occasionally borrowed from French. 

  • A male given name from Latin in quiet but steady use since the 16th century. 

  • An English and Scottish surname derived from the male given name. 

  • A city, the county seat of Cherry County, Nebraska, United States. 

  • Saint Valentine 

  • A small town in Jeff Davis County, Texas, United States, named for its founding date, Valentine's Day. 

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