Otoman or Ottoman: How To spell?
The word Otoman is misspelled against Ottoman, a noun meaning "A stuffed seat without a back, originally used in Turkey."
Ottoman has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings o & oman which should not be misspelled with single 'T'
Wrong Spelling:  o-t-oman  Correct Spelling:  o-tt-oman 
Find more incorrect spellings of Ottoman to spell right way.