draught excluder vs weatherstrip

draught excluder

noun
  • A flexible strip attached to the bottom or side of a door to prevent draughts entering through the gap. 

  • Any other object used to prevent draughts, such as a chimney balloon. 

weatherstrip

noun
  • A narrow piece of material used to prevent cold air from entering a building through the edge of a window or a door. 

verb
  • To apply such a strip. 

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