kalian vs water pipe

kalian

noun

  • A hookah. 

adj

  • Describing minerals containing potassium 

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 kalian and water pipe occurred in a corpus of books? (source: Google Ngram Viewer )