bracer vs mastrope

bracer

noun
  • A covering to protect the arm of the bowman from the vibration of the string. 

  • That which braces, binds, or makes firm; a band or bandage. 

  • A medicine, as an astringent or a tonic, which gives tension or tone to any part of the body. 

  • Armor for the forearm; a brassard. 

  • Something bracing; a stimulant. 

mastrope

noun
  • A rope used in supporting a mast; a stay. 

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