Deidened or Deadened: How To spell?

The word Deidened is misspelled against Deadened, which is past tense of "Deaden"

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.