Sloping or Slopping: How To spell?
The word Sloping is misspelled against Slopping, which is present continuous of "Slop"
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.