fez vs sunbonnet

fez

noun
  • A felt hat in the shape of a truncated cone, having a flat top with a tassel attached. 

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 fez and sunbonnet occurred in a corpus of books? (source: Google Ngram Viewer )