excruciatingly vs sadly

excruciatingly

adv
  • In an excruciating manner or to an excruciating degree; in a manner causing great anguish or pain. 

  • In a very intense or extreme manner. 

sadly

adv
  • In a sad manner; sorrowfully. 

  • Unfortunately, sad to say. 

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