Protan or Protean: How To spell?

The word Protan is misspelled against Protean, an adjective meaning "Exceedingly variable; readily assuming different shapes or forms; as, an amoeba is a protean animalcule."

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

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