Neogaeyn or Neogaean: How To spell?

The word Neogaeyn is misspelled against Neogaean, an adjective meaning "pertaining to the New Wld, Western Hemisphere."

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

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