breeches vs workwear

breeches

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

  • Trousers; pantaloons. 

workwear

noun
  • Clothes designed to be worn while working, especially in a physically demanding job. 

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