Defeil or Defail: How To spell?
The word Defeil is misspelled against Defail, a verb meaning "To cause to fail."
Word contains consecutive vowels 'AI' in between alphabets def & l is misspelled as 'EI'Wrong Spelling:  def-ei-l  Correct Spelling:  def-ai-l 
Find more wrongly spelled words of Defail to spell it well.