Gorgonea or Gorgoneia: How To spell?

The word Gorgonea is misspelled against Gorgoneia, which is plural of "Gorgoneion"

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