jamb vs periphery

jamb

noun
  • 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. 

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

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

verb
  • To fix or attach a jamb to. 

periphery

noun
  • The outside boundary, parts or surface of something. 

  • A first-rank administrative division of Greece, subdivided into provinces. 

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