The word Cetaceun is misspelled against Cetacean, a noun meaning "One of the Cetacea."
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Cetacean has vowels 'ea' together mispronounced as 'eu'
Word contains consecutive vowels 'EA' in between alphabets cetac & n is misspelled as 'EU'
Wrong Spelling:  cetac-eu-n 
Correct Spelling:  cetac-ea-n 
Check more misspelled words of Cetacean to spell it correct.