Castle vs Wall

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 

Wall

name
  • A village in Gwinear-Gwithian parish, south-west Cornwall, England, United Kingdom (OS grid ref SW6036). 

  • the Great Wall of China. 

  • A Chinese constellation located near Pegasus and Andromeda, one of the 28 lunar mansions and part of the larger Black Turtle. 

  • the Trump Wall. 

  • A village and civil parish in the City of Lichfield district, Staffordshire, England, United Kingdom (OS grid ref SK0906). 

  • A surname. 

  • A village and civil parish in south Northumberland, England, United Kingdom (OS grid ref NY9169); part of Hadrian's Wall is in the parish. 

  • A borough in Allegheny County, Pennsylvania, United States. 

  • A town in Pennington County, South Dakota, United States. 

  • An unincorporated community in Tom Green County, Texas, United States. 

  • the Berlin Wall. 

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