Unbying or Unbeing: How To spell?

The word Unbying is misspelled against Unbeing, an adjective meaning "Not existing."

Word contains consecutive vowels 'EI' in between alphabets unb & ng is misspelled as 'YI'
Wrong Spelling:  unb-yi-ng 
Correct Spelling:  unb-ei-ng 
Find more wrongly spelled words of Unbeing to spell it well.