callus vs distress

callus

noun
  • A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use. 

  • A shining area on the frons of many species of Tabanomorpha (horse flies and relatives). 

  • The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece. 

  • The new formation over the end of a cutting, before it puts out rootlets. 

verb
  • To form such hardened tissue. 

distress

noun
  • A cause of such discomfort. 

  • The thing taken by distraining; that which is seized to procure satisfaction. 

  • Physical or emotional discomfort, suffering, or alarm, particularly of a more acute nature. 

  • Serious danger. 

  • A seizing of property without legal process to force payment of a debt. 

  • An aversive state of stress to which a person cannot fully adapt. 

verb
  • To treat a new object to give it an appearance of age. 

  • To retain someone’s property against the payment of a debt; to distrain. 

  • To cause strain or anxiety to someone. 

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