Castle vs Knock

Castle

name
  • A hamlet in Bowerchalke parish, south-west Wiltshire, England (OS grid ref SU0122). 

  • A community (without a council) in Cardiff, Wales; it includes Cardiff Castle. 

  • A community (without a council) in Swansea, Wales; it includes Swansea Castle. 

  • A town in Okfuskee County, Oklahoma, United States, derived from the surname. 

  • Castle class, a class of steam locomotives used on the GWR 

  • A surname transferred from the common noun referring to someone who lived in or worked in a castle 

  • University College, Durham, a constituent college located in Durham Castle 

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 Castle and Knock occurred in a corpus of books? (source: Google Ngram Viewer )