Ostoephone or Osteophone: How To spell?

The word Ostoephone is misspelled against Osteophone, a noun meaning "An instrument for transmission of auditory vibrations through the bones of the head, so as to be appreciated as sounds by persons deaf from causes other than those affecting the nervous apparatus of hearing."

Word contains consecutive vowels 'EO' in between alphabets ost & phone is misspelled as 'OE'
Wrong Spelling:  ost-oe-phone 
Correct Spelling:  ost-eo-phone 
Find more incorrect spellings of Osteophone to spell right way.