Eydolon or Eidolon: How To spell?

The word Eydolon is misspelled against Eidolon, a noun meaning "An image or representation; a form; a phantom; an apparition."

Word begins with consecutive vowels 'EI' followed by alphabets 'dolon' is misspelled as 'EY'
Wrong Spelling:  ey-dolon 
Correct Spelling:  ei-dolon 
Find more incorrect spellings of Eidolon to spell right way.