morbific vs nauseating

morbific

adj
  • That causes disease; sickening, pathogenic. 

  • Pertaining to or caused by disease; diseased. 

nauseating

adj
  • Causing a feeling of nausea; disgusting and revolting. 

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