drinker vs sea sponge

drinker

noun
  • A device from which animals can drink. 

  • A pub. 

  • Someone who drinks alcoholic beverages on a regular basis. 

sea sponge

noun
  • sponge (animal, Porifera) 

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