presently vs shortly

presently

adv
  • Before long; soon. 

  • At present; now; currently. 

  • Immediately, at once; quickly. 

shortly

adv
  • In or after a short time; soon. 

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

  • In few words 

  • In an irritable ("short") manner. 

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