antimicrobial vs prophylactic

antimicrobial

noun
  • an agent that destroys microbes, inhibits their growth, or prevents or counteracts their pathogenic action 

adj
  • tending to destroy or capable of destroying microbes 

  • inhibiting the growth of microbes 

  • preventing or counteracting the pathogenic action of microbes 

prophylactic

noun
  • Any device or mechanism intended to prevent harmful consequences. 

  • A medicine which preserves or defends against disease; a preventive. 

  • A prophylactic condom. 

adj
  • Serving to prevent or protect against an undesired effect, especially disease or pregnancy 

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