Unfayling or Unfailing: How To spell?
The word Unfayling 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 'AY'Wrong Spelling:  unf-ay-ling  Correct Spelling:  unf-ai-ling 
Find more wrongly spelled words of Unfailing to spell it well.