borer vs scalpel

borer

noun
  • A knife fit for a stabbing. 

  • A person who bores or drills; a person employed to drill bore holes. 

  • A cyclostome, such as a hagfish, which bores into injured, dead, or decaying sea creatures to feed on their flesh. 

  • One of the many types of mollusc that bore into soft rock. 

  • A tool used for drilling. 

  • A tedious person; a person who bores others; a bore. 

  • An insect or insect larva that bores into wood. 

scalpel

noun
  • A small straight knife with a very sharp blade used for surgery, dissection and craftwork. 

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