Slaughtly or Sleightly: How To spell?

The word Slaughtly is misspelled against Sleightly, an adverb meaning "Cinningly."

Word contains consecutive vowels 'EI' in between alphabets sl & ghtly is misspelled as 'AU'
Wrong Spelling:  sl-au-ghtly 
Correct Spelling:  sl-ei-ghtly 
Check more misspelled words of Sleightly to spell it correct.