Colossan or Colossean: How To spell?

The word Colossan is misspelled against Colossean, an adjective meaning "Colossal."

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

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