antibiotic vs medicament

antibiotic

adj
  • Of or relating to antibiotics. 

noun
  • Any substance that can destroy or inhibit the growth of bacteria and similar microorganisms, generally transported by the lymphatic system. 

medicament

noun
  • A medicine, medication or drug. 

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