Empress vs Major

Empress

name

  • A village in Alberta, Canada. 

Major

name

  • A village in Saskatchewan, Canada. 

  • A surname. 

  • An unincorporated community in Kentucky. 

noun

  • Title for an army officer with the rank of major. 

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