hosepipe vs meerschaum

hosepipe

noun
  • A flexible pipe for carrying water or other liquids; a garden hose. 

verb
  • To film with erratic panning movements of the camera. 

meerschaum

noun
  • A smoking-pipe made from meerschaum. 

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

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