négligée vs pajamas

négligée

noun
  • A woman's loose-fitting nightgown, especially when short, lacy and/or revealing; a nightie. 

  • A necklace of beads, pearls etc. 

adj
  • In the style of a negligee; revealing, titillating. 

pajamas

noun
  • Clothes for wearing to bed and sleeping in, usually consisting of a loose-fitting shirt and pants/trousers. 

  • Loose-fitting trousers worn by both sexes in various southern Asian countries including India. 

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