breeches vs jeans

breeches

noun
  • Trousers; pantaloons. 

  • A garment worn by men, covering the hips and thighs; smallclothes. 

jeans

noun
  • A pair of trousers made from denim cotton. 

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