Cave vs Helm

Cave

name
  • A village in Lincoln County, Missouri, United States. 

  • The 18th sura (chapter) of the Qur'an. 

  • A town and comune in Lazio, Italy. 

  • A settlement in Timaru district, Canterbury, New Zealand. 

  • An unincorporated community in Pendleton County, West Virginia, United States. 

  • A surname. 

Helm

name
  • An unincorporated community in Pulaski County, Missouri, United States. 

  • An unincorporated community in Fresno County, California, United States. 

  • The only named wind in the British Isles. It blows westward from the Pennine fells over Cumbria and is often accompanied by a line of clouds on top of the hills called the Helm Bar. 

  • An unincorporated community in Russell County, Kentucky, United States. 

  • A surname. 

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