The word Steulthily is misspelled against Stealthily, an adverb meaning "In a stealthy manner."
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Stealthily has vowels 'ea' together mispronounced as 'eu'
Word contains consecutive vowels 'EA' in between alphabets st & lthily is misspelled as 'EU'
Wrong Spelling:  st-eu-lthily 
Correct Spelling:  st-ea-lthily 
Check more misspelled words of Stealthily to spell it correct.