Decaesed or Deceased: How To spell?

The word Decaesed is misspelled against Deceased, an adjective meaning "Passed away; dead; gone."

Deceased has vowels 'ea' together mispronounced as 'ae'
Word contains consecutive vowels 'EA' in between alphabets dec & sed is misspelled as 'AE'
Wrong Spelling:  dec-ae-sed 
Correct Spelling:  dec-ea-sed 
Explore spell check of Deceased to spell without errors.

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