narghile vs water pipe

narghile

noun
  • A large Oriental tobacco pipe wherein the smoke is drawn through water to filter and cool it. 

water pipe

noun
  • A device for smoking, such as a hookah or bong, in which the smoke is drawn through a container of water before inhaling. 

  • A pipe that is a conduit for water; an essential element of plumbing. 

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