jook vs pocketknife

jook

noun
  • Knife. 

  • A bow or curtsey. 

  • A quick movement to evade something. 

  • A shirtfront; the front of a jumper or T-shirt. 

  • Congee. 

  • Sexual intercourse. 

verb
  • To dodge; to move quickly to avoid something or to hide; to dart away. 

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 jook and pocketknife occurred in a corpus of books? (source: Google Ngram Viewer )