Nemeteyn or Nemetean: How To spell?

The word Nemeteyn is misspelled against Nemetean, a noun meaning "One of the Nemertina."

Nemetean has vowels 'ea' together mispronounced as 'ey'
Word contains consecutive vowels 'EA' in between alphabets nemet & n is misspelled as 'EY'
Wrong Spelling:  nemet-ey-n 
Correct Spelling:  nemet-ea-n 
Explore spell check of Nemetean to spell without errors.

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