bowler vs leghorn

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. 

leghorn

noun
  • A type of hat made from Leghorn straw. 

  • A type of dried plaited wheat straw fabric. 

  • A small white chicken of a hardy breed. 

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