in the blink of an eye vs shortly

in the blink of an eye

prep

  • immediately, instantaneously 

shortly

adv

  • In a short or brief time or manner; quickly. 

  • In few words 

  • In or after a short time; soon. 

  • In an irritable ("short") manner. 

How often have the words in the blink of an eye and shortly occurred in a corpus of books? (source: Google Ngram Viewer )