Revailing or Revealing: How To spell?

The word Revailing is misspelled against Revealing, which is present continuous of "Reveal"

Revealing has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets rev & ling is misspelled as 'AI'
Wrong Spelling:  rev-ai-ling 
Correct Spelling:  rev-ea-ling 
Find more wrongly spelled words of Revealing to spell it well.

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