Hygian or Hygeian: How To spell?

The word Hygian 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 'I' as letter 'E' is phonetically ignored
Wrong Spelling:  hyg-i-an 
Correct Spelling:  hyg-ei-an 
Find more wrongly spelled words of Hygeian to spell it well.