Promethen or Promethean: How To spell?

The word Promethen is misspelled against Promethean, a noun meaning "A kind of lucifer match."

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

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