Nerydian or Nereidian: How To spell?

The word Nerydian is misspelled against Nereidian, a noun meaning "Any annelid resembling Nereis, or of the family Lycoridae or allied families."

Word contains consecutive vowels 'EI' in between alphabets ner & dian is misspelled as 'Y'
Wrong Spelling:  ner-y-dian 
Correct Spelling:  ner-ei-dian 
Find more wrongly spelled words of Nereidian to spell it well.