Berg vs Ripple

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. 

Ripple

name
  • A village and civil parish in Dover district, Kent, England (OS grid ref TR3450). 

  • A village and civil parish in Malvern Hills district, Worcestershire, England (OS grid ref SO8737). 

  • A surname. 

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