pocketknife vs shave

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. 

shave

noun
  • A hand tool consisting of a sharp blade with a handle at each end; a spokeshave. 

  • A thin slice; a shaving. 

  • An instance of shaving. 

  • A narrow miss or escape; a close shave. 

verb
  • To make (the head, skin etc.) bald or (the hair) shorter by using a tool such as a razor or electric clippers to cut the hair close to the skin. 

  • To cut anything in this fashion. 

  • To remove hair from one's face by this means. 

  • To skim along or near the surface of; to pass close to, or touch lightly, in passing. 

  • To cut finely, as with slices of meat. 

  • To reduce in size or weight. 

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