Empire vs coronate

Empire

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. 

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

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

coronate

adj
  • Having a crest or a crownlike appendage. 

  • Having the coronal feathers lengthened or otherwise distinguished. 

  • Having or wearing a crown; crowned. 

  • Girt about the spire with a row of tubercles or spines. 

verb
  • To crown (a sovereign). 

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