Stetson vs bowler

Stetson

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

name
  • A surname. 

  • A male given name. 

bowler

noun
  • A bowler hat; a round black hat formerly popular among British businessmen. 

  • One who engages in the sport of bowling. 

  • The pitcher. 

  • A player selected mainly for his bowling ability. 

  • The player currently bowling. 

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