Empire vs Imperial

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. 

Imperial

name
  • A city in Imperial County, California, United States. 

  • A census-designated place in Texas, United States. 

  • An unincorporated community in West Virginia, United States. 

  • A town in Saskatchewan, Canada. 

  • Imperial College London. 

  • An unincorporated community in Virginia, United States. 

  • A city, the county seat of Chase County, Nebraska, United States. 

  • A census-designated place in Pennsylvania, United States. 

noun
  • A large Bordeaux wine bottle with the capacity of about 6 liters, equivalent to 8 standard bottles. 

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