implant vs intersperse

implant

verb
  • To insert (something) surgically into the body. 

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

  • To fix firmly or set securely or deeply. 

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. 

intersperse

verb
  • To scatter or insert something into or among other things. 

  • To diversify by placing or inserting other things among something. 

  • To mix two things irregularly, placing things of one kind among things of other. 

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