ghastly vs innocuous

ghastly

adj
  • Like a ghost in appearance; death-like; pale; pallid; dismal. 

  • Horrifyingly shocking. 

  • Extremely bad. 

adv
  • In a ghastly manner. 

innocuous

adj
  • Inoffensive; unprovocative; unexceptionable. 

  • Harmless; producing no ill effect. 

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