foreboding vs tormenting

foreboding

adj
  • Of ominous significance; serving as an ill omen; foretelling of harm or difficulty. 

noun
  • A sense of evil to come. 

  • An evil omen. 

tormenting

adj
  • Involving or causing torment. 

noun
  • The act by which somebody is tormented. 

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