gorget vs rivière

gorget

noun
  • An ornament for the neck; a necklace, ornamental collar, torque etc. 

  • A piece of armour protecting the throat and/or the upper part of the chest. 

  • A grooved instrument used in performing various operations; called also blunt gorget. 

  • A crescent-shaped ornamental metal plate suspended around the neck from the crescent's points by a length of chain or ribbon. It was used to indicate rank or authority and was worn as part of a full-dress military uniform by officers. It symbolically represented the neck-armor worn by officers in previous centuries. 

  • A crescent-shaped coloured patch on the neck of a bird or mammal. 

  • A cutting instrument used in lithotomy. 

  • A type of women's clothing covering the neck and breast; a wimple. 

  • A hake caught in a net set for other fish. 

rivière

noun
  • A necklace of diamonds or other precious stones, especially one of several strings. 

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