Clay vs Empire

Clay

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

  • A surname originating as an occupation. 

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

Empire

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

  • A census-designated place in Washoe County, Nevada, United States. 

adj
  • Following or imitating a style popular during the First French Empire (1804–1814). 

  • Having the waistline just below the bust; featuring an empire waist. 

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