meerschaum vs narghile

meerschaum

noun
  • A smoking-pipe made from meerschaum. 

  • A soft white mineral, chiefly used for smoking-pipes and cigar holders. 

narghile

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

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