cancerous vs morbific

cancerous

adj
  • Extremely unpleasant; detestable. 

  • Growing or spreading rapidly to the point of harm. 

  • Relating to or affected with cancer. 

morbific

adj
  • That causes disease; sickening, pathogenic. 

  • Pertaining to or caused by disease; diseased. 

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