The word Skiding is misspelled against Skidding, which is present continuous of "Skid"
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Skidding has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Ski & ing which should not be misspelled with single 'D'
Wrong Spelling:  Ski-d-ing 
Correct Spelling:  Ski-dd-ing 
Find more wrongly spelled words of Skidding to spell it well.