Hygeaan or Hygeian: How To spell?

The word Hygeaan is misspelled against Hygeian, an adjective meaning "Relating to Hygeia, the goddess of health; of or pertaining to health, or its preservation."

Word contains consecutive vowels 'EI' in between alphabets hyg & an is misspelled as 'EA'
Wrong Spelling:  hyg-ea-an 
Correct Spelling:  hyg-ei-an 
Explore spell check of Hygeian to spell without errors.