callus vs snub

callus

verb
  • To form such hardened tissue. 

noun
  • 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. 

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

snub

verb
  • To clip or break off the end of; to check or stunt the growth of. 

  • To slight, ignore or behave coldly toward someone. 

  • To check; to reprimand. 

  • To halt the movement of a rope etc by turning it about a cleat or bollard etc; to secure a vessel in this manner. 

  • To turn down insultingly; to dismiss. 

  • To sob with convulsions. 

  • To stub out (a cigarette etc). 

adj
  • Derived from a simpler polyhedron by the addition of extra triangular faces. 

  • Conspicuously short. 

  • Flat and broad, with the end slightly turned up. 

noun
  • A deliberate affront or slight. 

  • A sudden checking of a cable or rope. 

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