Empire vs Monarch

Empire

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

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

Monarch

name
  • An unincorporated community in Sheridan County, Wyoming. 

  • An unincorporated community in Cascade County, Montana. 

  • An unincorporated community in Kanawha County, West Virginia. 

  • A hamlet in Lethbridge County, Alberta. 

  • An unincorporated community near Monarch Pass, Chaffee County, Colorado. 

  • An unincorporated community in Lee County, Virginia. 

  • Two other peaks with the affix "mountain": Monarch Mountain (Alberta) and Monarch Mountain (British Columbia). 

  • A surname. 

  • The Monarch, a mountain in British Columbia. 

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