flexure vs jamb

flexure

verb
  • To introduce a flexure into; to bend or flex. 

noun
  • The act of bending or flexing; flexion. 

  • A turn; a bend; a fold; a curve. 

  • A curve or bend in a tubular organ. 

  • The last joint, or bend, of the wing of a bird. 

  • The small distortion of an astronomical instrument caused by the weight of its parts; the amount to be added or subtracted from the observed readings of the instrument to correct them for this distortion. 

jamb

verb
  • To fix or attach a jamb to. 

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. 

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