bra vs waist

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. 

waist

noun
  • A part of a piece of clothing that covers the waist. 

  • That part of the upper deck of a ship between the quarterdeck and the forecastle. 

  • The middle portion of the hull of a ship or the fuselage of an aircraft. 

  • The part of the body between the pelvis and the stomach. 

  • The narrow connection between the thorax and abdomen in certain insects (e.g., bees, ants and wasps). 

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