Stetson vs millinery

Stetson

noun
  • A type of felt hat with a wide brim, typically worn by cowboys. 

name
  • A surname. 

  • A male given name. 

millinery

noun
  • The business and work that a milliner engages in. 

  • A shop selling women's hats. 

  • Women's hats. 

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