hellacious vs nauseating

hellacious

adj
  • nasty, repellent. 

  • Remarkable, unbelievable, unusual. 

  • horrible, awful, hellish, agonizing 

nauseating

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

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