engraft vs implant

engraft

verb
  • To fix firmly into place 

  • To insert, as a scion of one tree or plant into another, for the purpose of propagation; graft onto a plant 

adj
  • Engrafted. 

implant

verb
  • To fix firmly or set securely or deeply. 

  • Of an embryo, to become attached to and embedded in the womb. 

  • To insert (something) surgically into the body. 

noun
  • Anything surgically implanted in the body, such as a tissue graft or prosthesis, particularly breast implants. 

  • A representative of a travel company, working within the office of a large client and exclusively dealing with that client. 

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