bradawl vs riveter

bradawl

noun
  • An awl with a blade similar to a small, straight screwdriver; used for making holes, especially in wood to take screws. 

riveter

noun
  • A machine or tool used to apply rivets. 

  • A person whose job is to rivet. 

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