bra vs négligée

bra

noun
  • An item of underwear worn to support the breasts. 

  • One of the two vectors in the standard notation for describing quantum states in quantum mechanics, the row vector; the other (column) vector being its complex conjugate, the ket. 

négligée

noun
  • A necklace of beads, pearls etc. 

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

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

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