callus vs ill

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. 

ill

noun
  • Harm or injury. 

  • A physical ailment; an illness. 

  • PCP, phencyclidine. 

  • Evil; moral wrongfulness. 

  • Trouble; distress; misfortune; adversity. 

adv
  • Not well; imperfectly, badly 

adj
  • Unwell in terms of health or physical condition; sick. 

  • Sublime, with the connotation of being so in a singularly creative way. 

  • Indicative of unkind or malevolent intentions; harsh, cruel. 

  • Extremely bad (bad enough to make one ill). Generally used indirectly with to be. 

  • Having an urge to vomit. 

  • Unpropitious, unkind, faulty, not up to reasonable standard. 

verb
  • To behave aggressively. 

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