The word Deidened is misspelled against Deadened, which is past tense of "Deaden"
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Deadened has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets d & dened is misspelled as 'EI'
Wrong Spelling:  d-ei-dened 
Correct Spelling:  d-ea-dened 
Find more wrongly spelled words of Deadened to spell it well.