callus vs sliver

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. 

sliver

noun
  • Specifically, a splinter caught under the skin. 

  • A narrow high-rise apartment building. 

  • A strand, or slender roll, of cotton or other fiber in a loose, untwisted state, produced by a carding machine and ready for the roving or slubbing which precedes spinning. 

  • A long piece cut or rent off; a sharp, slender fragment; a splinter. 

  • Bait made of pieces of small fish. Compare kibblings. 

  • A small amount of something; a drop in the bucket; a shred. 

verb
  • To cut or divide into long, thin pieces, or into very small pieces; to cut or rend lengthwise; to slit. 

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