pocketknife vs scissor

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. 

scissor

noun
  • One blade on a pair of scissors. 

  • Scissors. 

  • Used in certain noun phrases to denote a thing resembling the action of scissors, as scissor kick, scissor hold (wrestling), scissor jack. 

verb
  • To cut using, or as if using, scissors. 

  • To engage in scissoring (tribadism), a sexual act in which two women intertwine their legs and rub their vulvas against each other. 

  • To skate with one foot significantly in front of the other. 

  • To move something like a pair of scissors, especially the legs. 

  • To excise or expunge something from a text. 

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