Agreeng or Agreeing: How To spell?

The word Agreeng is misspelled against Agreeing, which is present continuous of "Agree"

Word contains consecutive vowels 'EI' in between alphabets agre & ng is misspelled as 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  agre-e-ng 
Correct Spelling:  agre-ei-ng 
Explore spell check of Agreeing to spell without errors.