Cestoldan or Cestoldean: How To spell?

The word Cestoldan is misspelled against Cestoldean, a noun meaning "One of the Cestoidea."

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

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