The word Mantcho is misspelled against Mantchoo, an adjective meaning "Same as Manchu."
-->
Mantchoo has double 'oo' in the end mispronounced as 'o'
Remember double 'OO' appears in the end of this word which should not be misspelled with single 'O'
Wrong Spelling:  mantch-o 
Correct Spelling:  mantch-oo 
Find more incorrect spellings of Mantchoo to spell right way.