Ostoesarcoma or Osteosarcoma: How To spell?

The word Ostoesarcoma is misspelled against Osteosarcoma, a noun meaning "A tumor having the structure of a sacroma in which there is a deposit of bone; sarcoma connected with bone."

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