Dereling or Derailing: How To spell?

The word Dereling is misspelled against Derailing, which is present continuous of "Derail"

Word contains consecutive vowels 'AI' in between alphabets der & ling is misspelled as 'E'
Wrong Spelling: der-e-ling
Correct Spelling: der-ai-ling
Find more wrongly spelled words of Derailing to spell it well.