breastband vs strophium

breastband

noun
  • A strophium: a band worn around the breasts. 

  • A band of canvas, attached to a ship's rigging, that provides support for the man heaving the lead in heavy weather. 

strophium

noun
  • A band worn around the breasts, serving as a form of bra. 

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