Berg vs Frost

Berg

name
  • A municipality of Troms, Norway. 

  • A former duchy and later grand duchy in Westphalia (Western Germany). 

  • A surname from German common in the US, associated with German or Scandinavian ancestry. 

Frost

name
  • An unincorporated community in Athens County, Ohio. 

  • A surname. 

  • An unincorporated community in Pocahontas County, West Virginia. 

  • A minor city in Navarro County, Texas. 

  • 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 Berg and Frost occurred in a corpus of books? (source: Google Ngram Viewer )