antibacterial vs prophylaxis

antibacterial

noun

  • A drug having the effect of killing or inhibiting bacteria. 

adj

  • Killing or inhibiting bacteria. 

prophylaxis

noun

  • Prevention of, or protective treatment for, disease. 

  • A move or strategy that frustrates an opponent's plan or tactic. 

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