callus vs ching

callus

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

  • 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. 

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

verb
  • To form such hardened tissue. 

ching

noun
  • A knife. 

  • A pair of small bowl-shaped finger cymbals made of thick and heavy bronze, used in the music of Thailand and Cambodia. 

  • Money (from the sound of a cash register ringing up an amount). 

  • A ringing sound, as of metal or glass being struck. 

  • A high-pitched mating call made by the male kakapo. 

  • Cocaine. 

intj
  • The sound of metal or glass clinking. 

verb
  • Of the male kakapo: to make its high-pitched mating call. 

  • To chink or clink; to make a ringing sound, as of metal or glass being struck. 

  • To stab. 

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