flexure vs push-up

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. 

push-up

verb
  • To perform a push-up, or to lift oneself off the ground in a push-up-like manner. 

noun
  • An exercise done to improve upper body strength, performed by resting on one's toes and hands and pushing one's weight off the floor. 

  • A push-up bra. 

adj
  • Supporting the breasts to increase their apparent size. 

  • Designed to be worn rolled up. 

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