Osten or Ostein: How To spell?

The word Osten is misspelled against Ostein, a noun meaning "Ossein."

Word contains consecutive vowels 'EI' in between alphabets ost & n is misspelled as 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  ost-e-n 
Correct Spelling:  ost-ei-n 
Explore spell check of Ostein to spell without errors.