Unhyered or Unheired: How To spell?

The word Unhyered is misspelled against Unheired, an adjective meaning "Destitute of an heir."

Word contains consecutive vowels 'EI' in between alphabets unh & red is misspelled as 'YE'
Wrong Spelling:  unh-ye-red 
Correct Spelling:  unh-ei-red 
Explore spell check of Unheired to spell without errors.