hookah vs kalian

hookah

noun
  • A pipe with a long flexible tube that draws the smoke through water, traditionally used for smoking tobacco, which is often flavored. 

  • A tank-less surface air compressor pump and umbilical piping system that supplies air to a diving mask 

kalian

noun
  • A hookah. 

adj
  • Describing minerals containing potassium 

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