Onieroscopy or Oneiroscopy: How To spell?

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

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