apothecary vs pharmacopoeia

apothecary

noun
  • Synonym of pharmacy: an apothecary's shop, a drugstore. 

  • A glass jar of the sort once used for storing medicine. 

pharmacopoeia

noun
  • An official book describing medicines or other pharmacological substances, especially their use, preparation, and regulation. 

  • A collection of drugs. 

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