jamb vs pillar

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. 

pillar

noun
  • Something resembling such a structure. 

  • A portable ornamental column, formerly carried before a cardinal, as emblematic of his support to the church. 

  • A large post, often used as supporting architecture. 

  • The centre of the volta, ring, or manege ground, around which a horse turns. 

  • An essential part of something that provides support. 

  • The body from the hips over the core to the shoulders. 

verb
  • To provide with pillars or added strength as if from pillars. 

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