Demeined or Demeaned: How To spell?

The word Demeined is misspelled against Demeaned, which is past tense of "Demean"

Demeaned has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets dem & ned is misspelled as 'EI'
Wrong Spelling:  dem-ei-ned 
Correct Spelling:  dem-ea-ned 
Find more wrongly spelled words of Demeaned to spell it well.

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