Lawn vs Savanna

Lawn

name
  • An unincorporated community in West Virginia, United States. 

  • An unincorporated community in Pennsylvania, United States. 

  • A town in Texas, United States. 

  • A town in Newfoundland, Newfoundland and Labrador, Canada. 

Savanna

name
  • A city in Carroll County, Illinois, United States, across the Mississippi from Iowa. 

  • A female given name transferred from the place name, of modern usage, variant of Savannah. 

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