fully vs ultimately

fully

adv
  • In a full degree; to a full extent. 

  • As a minimum; at least. 

  • In a full manner; without lack or defect. 

ultimately

adv
  • Indicating the most important action. 

  • Indicating the last item. 

  • Used to indicate the etymon at which a given etymological derivation terminates. 

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