fearful vs horrible

fearful

adj
  • Frightening; causing fear. 

  • Tending to fear; timid. 

adv
  • Extremely; fearfully. 

horrible

adj
  • Causing horror; terrible; shocking. 

  • Tremendously bad. 

noun
  • A person wearing a comic or grotesque costume in a parade of horribles. 

  • A thing that causes horror; a terrifying thing, particularly a prospective bad consequence asserted as likely to result from an act. 

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