Neryds or Nereids: How To spell?

The word Neryds is misspelled against Nereids, which is plural of "Nereid"

Word contains consecutive vowels 'EI' in between alphabets ner & ds is misspelled as 'Y'
Wrong Spelling:  ner-y-ds 
Correct Spelling:  ner-ei-ds 
Explore spell check of Nereids to spell without errors.