Colosseyn or Colossean: How To spell?
The word Colosseyn is misspelled against Colossean, an adjective meaning "Colossal."
Colossean has vowels 'ea' together mispronounced as 'ey'Word contains consecutive vowels 'EA' in between alphabets coloss & n is misspelled as 'EY'
Wrong Spelling:  coloss-ey-n  Correct Spelling:  coloss-ea-n 
Find more incorrect spellings of Colossean to spell right way.