The word Slepish is misspelled against Sleepish, an adjective meaning "Disposed to sleep; sleepy; drowsy."
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Sleepish has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Sl & pish which should not be misspelled with single 'E'
Wrong Spelling:  Sl-e-pish 
Correct Spelling:  Sl-ee-pish 
Find more wrongly spelled words of Sleepish to spell it well.