Bellflower vs Siren

Bellflower

name
  • A village in Illinois, United States. 

  • A city and town in Missouri, United States. 

  • A city in Los Angeles County, California, United States. 

Siren

name
  • A town in Burnett County, Wisconsin, United States, surrounding the village of the same name. 

  • A village, the county seat of Burnett County, Wisconsin, United States. 

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