radius vs wrist

radius

noun
  • The long bone in the forearm, on the side of the thumb. 

  • The lighter bone (or fused portion of bone) in the forelimb of an animal. 

  • A line segment between any point of a circle or sphere and its center. 

  • One of the major veins of the insect wing, between the subcosta and the media; the vein running along the costal edge of the discal cell. 

  • Anything resembling a radius, such as the spoke of a wheel, the movable arm of a sextant, or one of the radiating lines of a spider's web. 

  • The length of this line segment. 

wrist

noun
  • The complex joint between forearm bones, carpus, and metacarpals where the hand is attached to the arm; the carpus in a narrow sense. 

  • A stud or pin which forms a journal. 

verb
  • to hit a wrist shot 

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