apothecary vs chemist

apothecary

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

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

chemist

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

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

  • Synonym of pharmacist. 

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