jalousie vs persienne

jalousie

noun
  • Upward sloping window slats which form a blind or shutter, allowing light and air in but excluding rain and direct sun. 

  • A pastry with the upper side sliced before final baking to resemble a wooden slatted blind. 

  • A component in a ventilation system. 

persienne

noun
  • A window blind with movable slats, similar to a Venetian blind. 

  • Printed calico or similar material. 

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