Decreayng or Decreeing: How To spell?

The word Decreayng is misspelled against Decreeing, which is present continuous of "Decree"

Word contains consecutive vowels 'EI' in between alphabets decre & ng is misspelled as 'AY'
Wrong Spelling:  decre-ay-ng 
Correct Spelling:  decre-ei-ng 
Explore spell check of Decreeing to spell without errors.