The word Mischosing is misspelled against Mischoosing, which is present continuous of "Mischoose"
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Mischoosing has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings misch & sing which should not be misspelled with single 'O'
Wrong Spelling:  misch-o-sing 
Correct Spelling:  misch-oo-sing 
Find more incorrect spellings of Mischoosing to spell right way.