Cave vs Clay

Cave

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

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

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

  • A town and comune in Lazio, Italy. 

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

  • A surname. 

Clay

name
  • A town, the county seat of Clay County, West Virginia, United States. 

  • A surname originating as an occupation. 

  • A census-designated place in Sacramento County, California, United States. 

  • A male given name transferred from the surname. 

  • A diminutive of the male given name Clayton. 

  • A number of townships in the United States, listed under Clay Township. 

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