Berg vs Knock

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. 

Knock

name
  • A settlement in Moray council area, Scotland (OS grid ref NJ5552). 

  • A surname. 

  • A village in Eden district, Cumbria, England (OS grid ref NY6827). 

  • A townland in Drumcliff civil parish, County Clare, Ireland. 

  • A suburb and ward in Belfast, Northern Ireland. 

  • A town and civil parish of County Mayo, Ireland, location of the Knock Shrine. 

  • A village on the Isle of Lewis, Western Isles council area, Scotland (OS grid ref NB4931). 

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