breeches vs coverall

breeches

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

  • Trousers; pantaloons. 

coverall

noun
  • A loose-fitting protective garment worn over other clothing. 

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