chemist vs pharmacopoeia

chemist

noun
  • Synonym of pharmacist. 

  • A person who specializes in the science of chemistry, especially at a professional level. 

  • Synonym of pharmacy, especially as a standalone shop or general store. 

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 chemist and pharmacopoeia occurred in a corpus of books? (source: Google Ngram Viewer )