breeches vs long underwear

breeches

noun
  • Trousers; pantaloons. 

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

long underwear

noun
  • Two-piece underwear with long legs and long sleeves that is normally worn during cold weather. 

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