The word Slek is misspelled against Sleek, a noun meaning "That which makes smooth; varnish."
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Sleek has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Sl & k which should not be misspelled with single 'E'
Wrong Spelling:  Sl-e-k 
Correct Spelling:  Sl-ee-k 
Explore spell check of Sleek to spell without errors.