Oniroscopy or Oneiroscopy: How To spell?

The word Oniroscopy is misspelled against Oneiroscopy, a noun meaning "The interpretation of dreams."

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