pharmaceutical vs pharmacology

pharmaceutical

noun
  • A pharmaceutical or pharmacological preparation or product; a drug. 

adj
  • Of, or relating to pharmacy or pharmacists. 

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 pharmaceutical and pharmacology occurred in a corpus of books? (source: Google Ngram Viewer )