critically vs crucially

critically

adv
  • With close discernment; accurately; exactly. 

  • In terms of critique, review, of or by critics 

  • At a crisis or critical time; in a situation, place, or condition of decisive consequence. 

  • In a critical manner; with, or in terms of, criticism. 

  • Requiring immediate attention; likely to cause a collapse. 

crucially

adv
  • In a crucial manner. 

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