materia medica vs pharmacology

materia medica

noun
  • Synonym of pharmacology, particularly its development in early modern Europe. 

  • Synonym of medicine: the substances so used, particularly traditional cures prepared from animals and plants such as herbal medicines but inclusive of early drugs. 

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