antibiotic vs sulfonamide

antibiotic

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

adj
  • Of or relating to antibiotics. 

sulfonamide

noun
  • Any of a group of antibiotics; a sulfa drug 

  • Any amide of a sulfonic acid RS(=O)₂NR'₂ 

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