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