callus vs uproot

callus

noun
  • 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 shining area on the frons of many species of Tabanomorpha (horse flies and relatives). 

  • 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. 

verb
  • To form such hardened tissue. 

uproot

noun
  • The act of uprooting something. 

verb
  • To remove (someone or something) from a familiar circumstance, especially suddenly and unwillingly. 

  • To destroy (something) utterly; to eradicate, exterminate. 

  • Of oneself or someone: to move away from a familiar environment (for example, to live elsewhere). 

  • To tear up (a plant, etc.) by the roots, or as if by the roots; to extirpate, to root up. 

  • Of a pig or other animal: to dig up (something in the ground) using the snout; to rummage for (something) in the ground; to grub up, to root, to rout. 

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