apothecary vs chemist's

apothecary

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

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

chemist's

noun
  • Synonym of pharmacy, especially when run as a small standalone general store. 

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