The word Sleking is misspelled against Sleeking, which is present continuous of "Sleek"
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Sleeking has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Sl & king which should not be misspelled with single 'E'
Wrong Spelling:  Sl-e-king 
Correct Spelling:  Sl-ee-king 
Find more wrongly spelled words of Sleeking to spell it well.