Ostoema or Osteoma: How To spell?

The word Ostoema is misspelled against Osteoma, a noun meaning "A tumor composed mainly of bone; a tumor of a bone."

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