cutter vs pocketknife

cutter

noun
  • A knife. 

  • A light sleigh drawn by one horse. 

  • A flag or similar instrument for blocking light. 

  • A ship's boat, used for transport ship-to-ship or ship-to-shore. 

  • A foretooth; an incisor. 

  • A ball that moves sideways in the air, or off the pitch, because it has been cut. 

  • A person who practices self-injury by making cuts in the flesh. 

  • An animal yielding inferior meat, with little or no external fat and marbling. 

  • A person or device that cuts (in various senses). 

  • A ten-pence piece. So named because it is the coin most often sharpened by prison inmates to use as a weapon. 

  • A heavy-duty motor boat for official use. 

  • A single-masted, fore-and-aft rigged, sailing vessel with at least two headsails, and a mast set further aft than that of a sloop. 

  • A surgeon. 

  • A cut fastball. 

pocketknife

noun
  • A knife with blades or tools that the user can fold or retract into its handle, and of a size small enough for carrying safely and handily in a pocket, especially when suited to heavier duty uses or ad hoc applications outdoors or in workshops. 

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