callus vs dot

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. 

dot

verb
  • To cover with small spots (of some liquid). 

  • To punch (a person). 

  • To mark or diversify with small detached objects. 

  • To add a dot (the symbol) or dots to. 

  • To mark by means of dots or small spots. 

noun
  • A symbol used for separating the fractional part of a decimal number from the whole part, for indicating multiplication or a scalar product, or for various other purposes. 

  • A small, round spot. 

  • buckshot, projectile from a "dotty" or shotgun 

  • A dot ball. 

  • One of the two symbols used in Morse code. 

  • A punctuation mark used to indicate the end of a sentence or an abbreviated part of a word; a full stop; a period. 

  • A point used as a diacritical mark above or below various letters of the Latin script, as in Ȧ, Ạ, Ḅ, Ḃ, Ċ. 

  • Anything small and like a speck comparatively; a small portion or specimen. 

  • A dowry. 

prep
  • Dot product of the previous vector and the following vector. 

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