The word Sloping is misspelled against Slopping, which is present continuous of "Slop"
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Slopping has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings slo & ing which should not be misspelled with single 'P'
Wrong Spelling:  slo-p-ing 
Correct Spelling:  slo-pp-ing 
Find more incorrect spellings of Slopping to spell right way.