Nayther or Neither: How To spell?

The word Nayther is misspelled against Neither, an adjective meaning "Not either; not the one or the other."

Word contains consecutive vowels 'EI' in between alphabets n & ther is misspelled as 'AY'
Wrong Spelling:  n-ay-ther 
Correct Spelling:  n-ei-ther 
Explore spell check of Neither to spell without errors.