jab vs trephine

jab

verb
  • To give someone an injection 

  • To poke or thrust abruptly, or to make such a motion. 

  • To deliver a quick punch. 

noun
  • A mild verbal insult. 

  • A medical hypodermic injection (vaccination or inoculation) 

  • A quick stab or blow; a poking or thrusting motion. 

  • A short straight punch. 

  • A vaccination, whether or not delivered via conventional injection. 

trephine

verb
  • To perforate with a trephine. 

  • To use a trephine during surgery. 

noun
  • A surgical instrument with a cylindrical blade used to remove a circular section of tissue, f.e. bone or cornea; a trepan. 

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