Disageeang or Disageeing: How To spell?

The word Disageeang is misspelled against Disageeing, which is present continuous of "Disagree"

Word contains consecutive vowels 'EI' in between alphabets disage & ng is misspelled as 'EA'
Wrong Spelling:  disage-ea-ng 
Correct Spelling:  disage-ei-ng 
Find more wrongly spelled words of Disageeing to spell it well.