beanie vs sunbonnet

beanie

noun
  • A head-hugging brimless cap, with or without a visor, made from triangular sections of cloth, leather, or silk joined by a button at the crown and seamed together around the sides. 

  • A cap that fits the head closely, usually knitted from wool. 

  • A Beanie Baby, a small soft toy filled with beans or similar stuffing. 

sunbonnet

noun
  • A hat (bonnet) worn for protection from bright sunlight. 

  • A plant of the genera Leibnitzia or Chaptalia, native to Asia and the Americas. 

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