pharmacology vs pharmacy

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. 

pharmacy

noun
  • The science of medicinal substances, inclusive of pharmaceutics, pharmaceutical chemistry, pharmacology, phytochemistry, and forensics. 

  • The role or occupation of a pharmacist. 

  • A place where prescription drugs are sold or dispensed. 

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