Unfaling or Unfailing: How To spell?

The word Unfaling 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 'A'
Wrong Spelling: unf-a-ling
Correct Spelling: unf-ai-ling
Find more wrongly spelled words of Unfailing to spell it well.