Morphein or Morphean: How To spell?

The word Morphein is misspelled against Morphean, an adjective meaning "relating to Mpheus, to dreams, to sleep."

Morphean has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets morph & n is misspelled as 'EI'
Wrong Spelling:  morph-ei-n 
Correct Spelling:  morph-ea-n 
Find more incorrect spellings of Morphean to spell right way.

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