apothecary vs pharmacology

apothecary

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

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

pharmacology

noun
  • The science of drugs including their origin, composition, pharmacokinetics, therapeutic use, and toxicology. 

  • The properties and reactions of drugs especially with relation to their therapeutic value. 

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