Defalance or Defailance: How To spell?

The word Defalance is misspelled against Defailance, a noun meaning "Failure; miscarriage."

Word contains consecutive vowels 'AI' in between alphabets def & lance is misspelled as 'A'
Wrong Spelling:  def-a-lance 
Correct Spelling:  def-ai-lance 
Explore spell check of Defailance to spell without errors.

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