infective vs pathogenic

infective

adj
  • Able to cause infection; infectious 

noun
  • A person who is capable of spreading a disease by infecting others. 

pathogenic

adj
  • Able to cause (harmful) disease. 

  • Consisting of harsh, percussive, nonverbal sounds. 

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