Unfyigned or Unfeigned: How To spell?

The word Unfyigned is misspelled against Unfeigned, meaning "not pretended sincere"

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