gilet vs slipover

gilet

noun
  • A bodice worn by a woman similar to a man's waistcoat; also, a decorative panel at the front of such a bodice, or worn separately. 

  • A sleeveless jacket resembling a waistcoat but generally closed at the neck; specifically, one which is padded to provide warmth. 

  • A waistcoat worn by a man. 

slipover

noun
  • Any garment that is easy to put on, especially a dress or top. 

adj
  • slip-on 

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