Burden vs Frost

Burden

name
  • A minor city in Cowley County, Kansas, United States. 

  • A surname. 

  • A village in Erpeldange commune, Luxembourg (French spelling). 

Frost

name
  • A minor city in Navarro County, Texas. 

  • A surname. 

  • An unincorporated community in Pocahontas County, West Virginia. 

  • An unincorporated community in Athens County, Ohio. 

  • A minor city in Faribault County, Minnesota. 

  • An unincorporated community in Livingston Parish, Louisiana. 

  • A township in Clare County, Michigan. 

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