jamb vs scaffolding

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. 

scaffolding

noun
  • A temporary modular system of tubes (or formerly wood) forming a framework used to support people and material in the construction or repair of buildings and other large structures. 

  • Source code etc. that is incomplete and serves as a basis for further development. 

  • Any framework or support. 

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