The word Sliping is misspelled against Slipping, which is present continuous of "Slip"
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Slipping has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings sli & ing which should not be misspelled with single 'P'
Wrong Spelling:  sli-p-ing 
Correct Spelling:  sli-pp-ing 
Find more wrongly spelled words of Slipping to spell it well.