bracer vs jamb

bracer

noun
  • Armor for the forearm; a brassard. 

  • 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. 

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

  • Something bracing; a stimulant. 

jamb

noun
  • Synonym of jambeau (“piece of armor for the leg”). 

  • Either of the vertical components that form the side of an opening in a wall, such as that of a door frame, window frame, or fireplace. 

  • Any thick mass of rock that prevents miners from following the lode or vein. 

verb
  • To fix or attach a jamb to. 

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