disagreeable vs pathogenic

disagreeable

adj
  • Causing repugnance; unpleasant to the feelings or senses; displeasing. 

noun
  • Something or someone displeasing; anything that is disagreeable. 

pathogenic

adj
  • Consisting of harsh, percussive, nonverbal sounds. 

  • Able to cause (harmful) disease. 

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