Cadmayn or Cadmean: How To spell?

The word Cadmayn 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 'ay'
Word contains consecutive vowels 'EA' in between alphabets cadm & n is misspelled as 'AY'
Wrong Spelling:  cadm-ay-n 
Correct Spelling:  cadm-ea-n 
Browse incorrect spellings of Cadmean to spell it good.

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