Cetacen or Cetacean: How To spell?

The word Cetacen is misspelled against Cetacean, a noun meaning "One of the Cetacea."

Cetacean has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets cetac & n is misspelled as 'E'
Wrong Spelling:  cetac-e-n 
Correct Spelling:  cetac-ea-n 
Explore spell check of Cetacean to spell without errors.

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