callus vs sore

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. 

sore

noun
  • An injured, infected, inflamed or diseased patch of skin. 

  • A young buck in its fourth year. 

  • Grief; affliction; trouble; difficulty. 

  • A young hawk or falcon in its first year. 

adj
  • Dire; distressing. 

  • Causing pain or discomfort; painfully sensitive. 

  • Sensitive; tender; easily pained, grieved, or vexed; very susceptible of irritation. 

  • Feeling animosity towards someone; annoyed or angered. 

adv
  • Sorely. 

verb
  • To mutilate the legs or feet of (a horse) in order to induce a particular gait. 

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