The word Otomans is misspelled against Ottomans, which is plural of "Ottoman"
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Ottomans has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings o & omans which should not be misspelled with single 'T'
Wrong Spelling:  o-t-omans 
Correct Spelling:  o-tt-omans 
Find more incorrect spellings of Ottomans to spell right way.