Dereled or Derailed: How To spell?

The word Dereled is misspelled against Derailed, which is past tense of "Derail"

Word contains consecutive vowels 'AI' in between alphabets der & led is misspelled as 'E'
Wrong Spelling: der-e-led
Correct Spelling: der-ai-led
Explore spell check of Derailed to spell without errors.