Gorgonion or Gorgoneion: How To spell?

The word Gorgonion is misspelled against Gorgoneion, a noun meaning "A mask carved in imitation of a Gorgon's head."

Word contains consecutive vowels 'EI' in between alphabets gorgon & on is misspelled as 'I' as letter 'E' is phonetically ignor
Wrong Spelling:  gorgon-i-on 
Correct Spelling:  gorgon-ei-on 
Find more incorrect spellings of Gorgoneion to spell right way.