Teleosteyn or Teleostean: How To spell?

The word Teleosteyn is misspelled against Teleostean, a noun meaning "A teleostean fish."

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

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