staring vs thunderstruck

staring

adj
  • Looking fixedly with wide-open eyes. 

  • Shining; vivid, garish. 

noun
  • The act of one who stares. 

thunderstruck

adj
  • Astonished, amazed or so suddenly surprised as to be unable to speak. 

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