Unfauling or Unfailing: How To spell?
The word Unfauling is misspelled against Unfailing, an adjective meaning "Not failing; not liable to fail; inexhaustible; certain; sure."
Word contains consecutive vowels 'AI' in between alphabets unf & ling is misspelled as 'AU'Wrong Spelling:  unf-au-ling  Correct Spelling:  unf-ai-ling 
Check more misspelled words of Unfailing to spell it correct.