Oniroscopist or Oneiroscopist: How To spell?

The word Oniroscopist is misspelled against Oneiroscopist, a noun meaning "One who interprets dreams."

Word contains consecutive vowels 'EI' in between alphabets on & roscopist is misspelled as 'I' as letter 'E' is phonetically ig
Wrong Spelling:  on-i-roscopist 
Correct Spelling:  on-ei-roscopist 
Find more incorrect spellings of Oneiroscopist to spell right way.