Cadmeyn or Cadmean: How To spell?
The word Cadmeyn is misspelled against Cadmean, an adjective meaning "pertaining to Cadmus, a fabulous prince Thebes, who was said to have introduced into Greece the sixteen simple letters the alphabet -- /, /, /, /, /, /, /, /, /, /, /, /, /, /, /, /. These are called Cadmean letters."
Cadmean has vowels 'ea' together mispronounced as 'ey'Word contains consecutive vowels 'EA' in between alphabets cadm & n is misspelled as 'EY'
Wrong Spelling:  cadm-ey-n  Correct Spelling:  cadm-ea-n 
Explore spell check of Cadmean to spell without errors.